diff --git a/README.md b/README.md
index e24e779..382ad23 100644
--- a/README.md
+++ b/README.md
@@ -201,6 +201,12 @@ run `developer_notebook.ipynb` notebook there.
 
 # Changelog
 
+## v0.7.0
+- Performance improvement in TF identification
+- Progress bar added to TF identification
+- Legends added to TF chipsets
+- Bugs fixed for normalized plots in TF identification
+
 ## v0.6.1
 - Minor bugs fixed
 
@@ -223,11 +229,11 @@ run `developer_notebook.ipynb` notebook there.
 - Push functions improved
 
 ## v0.4.1
+
 - Hotfix for R57+ (search, pull, push functions)
 
 ## v0.4.0
 
-
 - Export ARX model (Gekko sysid outputs as a pickle)
 - Data Editor Added
 
diff --git a/SysID Addon/README.md b/SysID Addon/README.md
index a3bde30..382ad23 100644
--- a/SysID Addon/README.md	
+++ b/SysID Addon/README.md	
@@ -201,6 +201,12 @@ run `developer_notebook.ipynb` notebook there.
 
 # Changelog
 
+## v0.7.0
+- Performance improvement in TF identification
+- Progress bar added to TF identification
+- Legends added to TF chipsets
+- Bugs fixed for normalized plots in TF identification
+
 ## v0.6.1
 - Minor bugs fixed
 
@@ -223,9 +229,11 @@ run `developer_notebook.ipynb` notebook there.
 - Push functions improved
 
 ## v0.4.1
+
 - Hotfix for R57+ (search, pull, push functions)
 
 ## v0.4.0
+
 - Export ARX model (Gekko sysid outputs as a pickle)
 - Data Editor Added
 
diff --git a/SysID Addon/data/tclab_step_test.csv b/SysID Addon/data/tclab_step_test.csv
new file mode 100644
index 0000000..fb9b3a8
--- /dev/null
+++ b/SysID Addon/data/tclab_step_test.csv	
@@ -0,0 +1,602 @@
+Time,Q1,Q2,T1,T2
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+2021-01-01 08:35:30+00:00,50,80,42.49,30.73
+2021-01-01 08:35:40+00:00,50,80,42.46,30.66
+2021-01-01 08:35:50+00:00,50,80,42.49,30.99
+2021-01-01 08:36:00+00:00,50,80,42.49,30.99
+2021-01-01 08:36:10+00:00,50,80,42.49,30.76
+2021-01-01 08:36:20+00:00,50,80,42.55,30.99
+2021-01-01 08:36:30+00:00,50,80,42.52,31.02
+2021-01-01 08:36:40+00:00,50,80,42.52,30.7
+2021-01-01 08:36:50+00:00,50,80,42.52,30.89
+2021-01-01 08:37:00+00:00,50,80,42.49,30.95
+2021-01-01 08:37:10+00:00,50,80,42.49,31.05
+2021-01-01 08:37:20+00:00,50,80,42.36,30.82
+2021-01-01 08:37:30+00:00,50,80,42.36,30.92
+2021-01-01 08:37:40+00:00,50,80,42.3,31.11
+2021-01-01 08:37:50+00:00,50,80,42.3,31.11
+2021-01-01 08:38:00+00:00,50,80,42.2,31.11
+2021-01-01 08:38:10+00:00,50,80,42.3,31.24
+2021-01-01 08:38:20+00:00,50,80,42.2,31.24
+2021-01-01 08:38:30+00:00,50,80,42.2,31.08
+2021-01-01 08:38:40+00:00,50,80,42.23,31.44
+2021-01-01 08:38:50+00:00,50,80,42.17,31.47
+2021-01-01 08:39:00+00:00,50,80,42.17,31.4
+2021-01-01 08:39:10+00:00,50,80,42.17,31.37
+2021-01-01 08:39:20+00:00,50,80,42.14,31.4
+2021-01-01 08:39:30+00:00,50,80,42.07,31.73
+2021-01-01 08:39:40+00:00,50,80,42.1,31.57
+2021-01-01 08:39:50+00:00,50,80,42.04,31.73
+2021-01-01 08:40:00+00:00,50,80,41.91,31.79
+2021-01-01 08:40:10+00:00,50,80,41.88,31.76
+2021-01-01 08:40:20+00:00,50,80,41.88,31.57
+2021-01-01 08:40:30+00:00,50,80,41.88,31.73
+2021-01-01 08:40:40+00:00,50,80,41.85,31.86
+2021-01-01 08:40:50+00:00,50,80,41.85,31.82
+2021-01-01 08:41:00+00:00,50,80,41.85,31.92
+2021-01-01 08:41:10+00:00,50,80,41.85,32.05
+2021-01-01 08:41:20+00:00,50,80,41.78,32.21
+2021-01-01 08:41:30+00:00,50,80,41.78,32.24
+2021-01-01 08:41:40+00:00,50,80,41.75,32.27
+2021-01-01 08:41:50+00:00,50,80,41.68,32.11
+2021-01-01 08:42:00+00:00,50,80,41.62,32.4
+2021-01-01 08:42:10+00:00,50,80,41.62,32.21
+2021-01-01 08:42:20+00:00,50,80,41.52,32.31
+2021-01-01 08:42:30+00:00,50,80,41.59,32.6
+2021-01-01 08:42:40+00:00,50,80,41.52,32.34
+2021-01-01 08:42:50+00:00,50,80,41.52,32.53
+2021-01-01 08:43:00+00:00,50,80,41.52,32.53
+2021-01-01 08:43:10+00:00,50,80,41.52,32.73
+2021-01-01 08:43:20+00:00,50,80,41.52,32.79
+2021-01-01 08:43:30+00:00,50,80,41.39,32.85
+2021-01-01 08:43:40+00:00,50,80,41.39,32.82
+2021-01-01 08:43:50+00:00,50,80,41.39,32.85
+2021-01-01 08:44:00+00:00,50,80,41.39,32.6
+2021-01-01 08:44:10+00:00,50,80,41.3,32.95
+2021-01-01 08:44:20+00:00,50,80,41.27,33.05
+2021-01-01 08:44:30+00:00,50,80,41.27,33.11
+2021-01-01 08:44:40+00:00,50,80,41.27,33.21
+2021-01-01 08:44:50+00:00,50,80,41.23,33.34
+2021-01-01 08:45:00+00:00,50,80,41.2,33.27
+2021-01-01 08:45:10+00:00,50,80,41.2,33.14
+2021-01-01 08:45:20+00:00,50,80,41.2,33.18
+2021-01-01 08:45:30+00:00,50,80,41.17,33.4
+2021-01-01 08:45:40+00:00,50,80,41.2,33.08
+2021-01-01 08:45:50+00:00,50,80,41.17,33.47
+2021-01-01 08:46:00+00:00,50,80,41.17,33.56
+2021-01-01 08:46:10+00:00,50,80,41.1,33.31
+2021-01-01 08:46:20+00:00,50,80,41.04,33.34
+2021-01-01 08:46:30+00:00,50,80,41.07,33.53
+2021-01-01 08:46:40+00:00,50,80,40.98,33.66
+2021-01-01 08:46:50+00:00,50,80,41.04,33.6
+2021-01-01 08:47:00+00:00,50,80,40.98,33.66
+2021-01-01 08:47:10+00:00,50,80,40.98,33.56
+2021-01-01 08:47:20+00:00,50,80,40.91,33.72
+2021-01-01 08:47:30+00:00,50,80,40.91,33.85
+2021-01-01 08:47:40+00:00,50,80,40.91,33.69
+2021-01-01 08:47:50+00:00,50,80,40.91,33.92
+2021-01-01 08:48:00+00:00,50,80,40.91,33.63
+2021-01-01 08:48:10+00:00,50,80,40.88,33.85
+2021-01-01 08:48:20+00:00,50,80,40.88,34.01
+2021-01-01 08:48:30+00:00,50,80,40.85,33.89
diff --git a/SysID Addon/requirements.txt b/SysID Addon/requirements.txt
index 90694f6..384daef 100644
--- a/SysID Addon/requirements.txt	
+++ b/SysID Addon/requirements.txt	
@@ -1,10 +1,11 @@
 ipyvuetify>=1.2.2
 ipywidgets==7.6.5
-gekko~=1.0.5
-numpy~=1.21.5
+gekko>=1.0.6
+numpy>=1.21.5
 pandas
 plotly==5.5.0
 seeq
+seeq-spy
 tensorflow~=2.5
 keras-tuner==1.0.4
 scipy
diff --git a/SysID Addon/seeq_sysid/_version.py b/SysID Addon/seeq_sysid/_version.py
index 3966a5f..1944294 100644
--- a/SysID Addon/seeq_sysid/_version.py	
+++ b/SysID Addon/seeq_sysid/_version.py	
@@ -1 +1 @@
-__version__ = '0.6.1'
\ No newline at end of file
+__version__ = '0.7.0'
\ No newline at end of file
diff --git a/SysID Addon/seeq_sysid/app.py b/SysID Addon/seeq_sysid/app.py
index a11f0d2..f2b9c54 100644
--- a/SysID Addon/seeq_sysid/app.py	
+++ b/SysID Addon/seeq_sysid/app.py	
@@ -30,7 +30,7 @@ class SYSID:
 
     additional_styles = widgets.HTML("""
         <style>
-	   #appmode-leave {display: none;}
+        #appmode-leave {display: none;}
         .background_box { background-color:#007960 !important; } 
         .js-plotly-plot .plotly .modebar-btn[data-title="Produced with Plotly"] {display: none;}
         .vuetify-styles .theme--light.v-list-item .v-list-item__action-text, 
@@ -70,7 +70,7 @@ def __init__(self, sdl_notebook_url=''):
         # self.capsule_df = read_csv('data/DEB capsules.csv', index_col='Time')
         
         # self.signal_df = read_csv('data/signal_df.csv', index_col='Time')
-        # self.capsule_df = read_csv('data/capsule_df.csv', index_col='Time')
+        # self.capsule_df = read_csv('data/capsule_df_fake.csv', index_col='Time')
         
         self.app = v.App(class_='ma-2')
         
@@ -100,7 +100,7 @@ def __init__(self, sdl_notebook_url=''):
         self.tf_tab = v.Tab(children=['Transfer Function'], 
                        style_='font-weight:bold; font-size:12pt')
 
-        self.tabs = [self.arx_tab, self.ss_tab, self.nn_tab, self.tf_tab]
+        self.tabs = [self.tf_tab, self.arx_tab, self.ss_tab, self.nn_tab]
         
 
         self.arx_tab_item = v.TabItem(children=[self.arx_sheet], 
@@ -123,7 +123,7 @@ def __init__(self, sdl_notebook_url=''):
                         transition='none',
                         reverse_transition='none')
 
-        items = [self.arx_tab_item, self.ss_tab_items, self.nn_tab_items, self.tf_tab_items]
+        items = [self.tf_tab_items, self.arx_tab_item, self.ss_tab_items, self.nn_tab_items]
 
         self.app_bar = AppBar(self.tabs, items)
         
@@ -191,7 +191,7 @@ def load_worksheet(self):
                     transition='none',
                     reverse_transition='none')
 
-        items = [self.arx_tab_item, self.ss_tab_items, self.nn_tab_items, self.tf_tab_items]
+        items = [self.tf_tab_items, self.arx_tab_item, self.ss_tab_items, self.nn_tab_items]
 
         self.app_bar = AppBar(self.tabs, items)
 
diff --git a/SysID Addon/seeq_sysid/gui/app_bar.py b/SysID Addon/seeq_sysid/gui/app_bar.py
index eb1a110..8bda0a7 100644
--- a/SysID Addon/seeq_sysid/gui/app_bar.py	
+++ b/SysID Addon/seeq_sysid/gui/app_bar.py	
@@ -80,7 +80,7 @@ def __init__(self, server=True, **kwargs):
                 width='100%')
         self.upload_btn = widgets.FileUpload(layout=widgets.Layout(width='50%'), style={'button_color': '#007960'})
         self.upload_btn.button_style = 'success'
-        self.upload_btn.observe(lambda _:self.upload_file(self.upload_btn), 'data')
+        self.upload_btn.observe(lambda _:self.upload_file(self.upload_btn), 'value')
         self.upload_lay = widgets.HBox(children=[self.upload_btn], layout=box_layout)
         
         self.sl_switch = v.Switch(v_model=False, label='Local', inset=True, class_='ma-0 pa-0 mt-4 ml-2', dense=True, no_gutters=True, ripple=False, height='0px')
@@ -147,19 +147,26 @@ def import_mode_switch(self, item, *args):
             self.dialog_card_content = [v.CardTitle(children=['Please Import CSV file:', v.Spacer(), self.sl_switch]),
                                         self.upload_lay,
                                         self.control_dialog_btn_layout]
+            if len(self.upload_btn.value):
+                self.ok_url_dialog_btn.disabled = False
+            else:
+                self.ok_url_dialog_btn.disabled = True
         else:
             self.dialog_card_content = [v.CardTitle(children=['Please Enter a Worksheet URL:', v.Spacer(), self.sl_switch]),
                                         self.worksheet_url,
                                         self.control_dialog_btn_layout]
+            self.ok_url_dialog_btn.disabled = False
 
         self.dialog_card.children = self.dialog_card_content
             
     def upload_file(self, x):
         try:
-            uploaded_file = x.data[0]
+            uploaded_file = x.value[0]['content']
             self.local_data = read_csv(io.BytesIO(uploaded_file), index_col='Time')
+            self.ok_url_dialog_btn.disabled = False
         except:
             print('csv read error! Make sure that DateTime data are in the "Time" column.')
+            self.ok_url_dialog_btn.disabled = True
 
 class AppBar(v.Card):
     """
diff --git a/SysID Addon/seeq_sysid/gui/app_sheet.py b/SysID Addon/seeq_sysid/gui/app_sheet.py
index 944ef86..473defe 100644
--- a/SysID Addon/seeq_sysid/gui/app_sheet.py	
+++ b/SysID Addon/seeq_sysid/gui/app_sheet.py	
@@ -61,6 +61,14 @@ def __init__(self,
         self.identify_model_btn = panel.identify_model_btn
         self.validate_model_btn = panel.validate_model_btn
         self.export_model_btn = panel.export_model_btn
+        
+        self.low_data_warning = v.Snackbar(v_model=False, 
+                                           class_='ma-4 pa-4', 
+                                           children=['No Sufficient Data! Please Make Sure to Provide Enough Data \
+                                                      or Selectetd Conditions are Inside View Range.'],
+                                           color='rgba(255,30,0,0.7)', 
+                                           multi_line=True,
+                                           timeout=4000)
 
         self.signal_df = DataFrame()
         self.capsule_df = DataFrame()
@@ -75,7 +83,7 @@ def __init__(self,
         self.push_model_btn.on_event('click', self.push_model)
         self.export_model_btn.on_event('click', self.export_model)
 
-        self.children = [self.panel, self.canvas]
+        self.children = [self.panel, self.canvas, self.low_data_warning]
 
     # Functions
     def set_data(self, signal_df: DataFrame = DataFrame(), capsule_df: DataFrame = DataFrame(), tags_df=DataFrame(),
@@ -103,7 +111,14 @@ def update_panel(self, *_):
             self.validate_model_btn.disabled = True
             self.push_model_btn.disabled = True
 
+    def data_check(self):
+        pass
+            
     def identify_system(self, *_):
+        if self.data_check():
+            self.low_data_warning.v_model = True
+            return 0
+        
         self.identify_model_btn.loading = True
         self.prepare_params_general()
         self.prepare_params_spec()
@@ -258,6 +273,17 @@ def prepare_params_spec(self):
         self.model.nh_max = int(self.nh_max.v_model)
 
         self.model.model_struct = self.model_struct.v_model
+        
+    def data_check(self):
+        data_min_ = max(int(self.na_max.v_model), 
+                        int(self.nb_max.v_model)+int(self.nk_max.v_model),
+                        int(self.nv_max.v_model)+int(self.nh_max.v_model)) + 2
+        if len(self.create_dataset(self.train_condition.v_model)) - data_min_ <= 0:
+            return 1
+        elif len(self.create_dataset(self.validation_condition.v_model)) - data_min_ <= 0:
+            return 1
+        else:
+            return 0
           
     def export_model(self, *args):
         if not os.path.exists('export'):
@@ -399,6 +425,15 @@ def prepare_params_spec(self):
         self.model.om_min = int(self.multiplier_min.v_model)
         self.model.om_max = int(self.multiplier_max.v_model)
         self.model.shift_type = self.shift_type.v_model
+        
+    def data_check(self):
+        data_min_ = int(self.multiplier_max.v_model) * len(self.panel.cv_select.v_model)
+        if len(self.create_dataset(self.train_condition.v_model)) - data_min_ <= 0:
+            return 1
+        elif len(self.create_dataset(self.validation_condition.v_model)) - data_min_ <= 0:
+            return 1
+        else:
+            return 0
 
 
 class NNAppSheet(AppSheet):
@@ -420,6 +455,15 @@ def prepare_params_spec(self):
     def preprocess(self):
         self.model.Min = self.signal_df[self.model.mv + self.model.cv].min()
         self.model.Max = self.signal_df[self.model.mv + self.model.cv].max()
+        
+    def data_check(self):
+        data_min_ = 20
+        if len(self.create_dataset(self.train_condition.v_model)) - data_min_ <= 0:
+            return 1
+        elif len(self.create_dataset(self.validation_condition.v_model)) - data_min_ <= 0:
+            return 1
+        else:
+            return 0
 
 
 class TFAppSheet(v.Card):
@@ -444,6 +488,14 @@ def __init__(self):
         self.tags_df = None
 
         self.all_results = None
+        
+        self.low_data_warning = v.Snackbar(v_model=False, 
+                                           class_='ma-4 pa-4', 
+                                           children=['No Sufficient Data! Please Make Sure to Provide Enough Data \
+                                                      or Selectetd Conditions are Inside View Range.'],
+                                           color='rgba(255,30,0,0.7)', 
+                                           multi_line=True,
+                                           timeout=4000)
 
         self.window = v.Window(v_model=0, class_='mt-3', style_='height:100%')
 
@@ -481,7 +533,7 @@ def __init__(self):
         self.ok_url_dialog_btn.on_event('click', self.ok_url_action)
         self.close_url_dialog_btn.on_event('click', self.close_url_action)
 
-        self.children = [self.window, self.app_bar]
+        self.children = [self.window, self.app_bar, self.low_data_warning]
 
         # Actions
         self.import_sheet.mv_select.on_event('change', self.update_panel)
@@ -532,8 +584,28 @@ def update_panel(self, *_):
 
         else:
             self.app_bar.next_btn.disabled = True
+            
+    def data_check(self):
+        data_min_ = 4
+
+        if self.capsule_df.empty:
+            if len(self.signal_df) - data_min_ <= 0:
+                return 1
+            else:
+                return 0
+        else:
+            if len(self.signal_df[self.capsule_df[self.import_sheet.train_condition_select.v_model].sum(axis=1) == True]) - data_min_ <= 0 and len(self.import_sheet.train_condition_select.v_model):
+                return 1
+            elif len(self.signal_df[self.capsule_df[self.import_sheet.valid_condition_select.v_model].sum(axis=1) == True]) - data_min_ <= 0 and len(self.import_sheet.valid_condition_select.v_model):
+                return 1
+            else:
+                return 0
+        
 
     def import_sheet_next_action(self, item, *args):
+        if self.data_check():
+            self.low_data_warning.v_model = True
+            return 0
         mv, cv = self.import_sheet.get_data()
 
         item.loading = True
@@ -552,9 +624,13 @@ def import_sheet_next_action(self, item, *args):
     def matrix_sheet_next_action(self, item, *args):
         item.loading = True
 
-        self.matrix_sheet.run()
-
+        run_status = self.matrix_sheet.run()
         item.loading = False
+        
+        if run_status:
+            self.low_data_warning.v_model = True
+            return 0
+
         self.window.v_model = 2
         self.update_nav()
 
@@ -564,7 +640,13 @@ def step_sheet_next_action(self, item, *args):
         self.matrix_sheet.to_validation()
         self.visual_sheet = FigureTable(style_='width:100%; height:780px')
         
-        _, cv = self.import_sheet.get_data()
+        _, cv_all = self.import_sheet.get_data()
+        
+        cv = []
+        for cv_i in cv_all:
+            if self.matrix_sheet.model.models[cv_i].status:
+                cv.append(cv_i)
+        
         min_ = self.signal_df[cv].min().to_list()
         max_ = self.signal_df[cv].max().to_list()
         self.visual_sheet.figure.min_ = array(2*min_)
diff --git a/SysID Addon/seeq_sysid/gui/setup.py b/SysID Addon/seeq_sysid/gui/setup.py
index e4d1bb9..b6ada96 100644
--- a/SysID Addon/seeq_sysid/gui/setup.py	
+++ b/SysID Addon/seeq_sysid/gui/setup.py	
@@ -32,7 +32,7 @@ def __init__(self):
 
         
         # Select MV and CV
-        self.mv_title = v.Text(children=['Manipulated Variables (MV)'], style_='font-size:12pt; font-weight:bold')
+        self.mv_title = v.Text(children=['Manipulated/Feedforward Variables (MV/FF)'], style_='font-size:12pt; font-weight:bold')
         self.mv_select = v.Select(tag='Manipulated Variables',
                                   v_model=[],
                                   items=[],
diff --git a/SysID Addon/seeq_sysid/gui/transfer_card_result.py b/SysID Addon/seeq_sysid/gui/transfer_card_result.py
index 8774e88..2789057 100644
--- a/SysID Addon/seeq_sysid/gui/transfer_card_result.py	
+++ b/SysID Addon/seeq_sysid/gui/transfer_card_result.py	
@@ -76,5 +76,6 @@ def update_figure(self, df):
         
         self.fig['layout']['yaxis']['showticklabels'] = True
         step_plot = go.Scatter(x=df.index, y=df, line={'dash': 'solid'}, mode='lines')
+
         data = [step_plot]
         self.fig.add_traces(data)
\ No newline at end of file
diff --git a/SysID Addon/seeq_sysid/gui/transfer_card_setup.py b/SysID Addon/seeq_sysid/gui/transfer_card_setup.py
index f6ac966..269c3e8 100644
--- a/SysID Addon/seeq_sysid/gui/transfer_card_setup.py	
+++ b/SysID Addon/seeq_sysid/gui/transfer_card_setup.py	
@@ -49,7 +49,7 @@ def __init__(self,
 
         # Figure
         fig = go.FigureWidget()
-        fig['layout']['showlegend'] = False
+        # fig['layout']['showlegend'] = False
         fig['layout']['margin']['t'] = 10
         fig['layout']['margin']['b'] = 10
         fig['layout']['margin']['r'] = 0
@@ -60,6 +60,15 @@ def __init__(self,
 
         fig['layout']['yaxis']['fixedrange'] = False
         
+        fig.update_layout(legend=dict(yanchor="top",
+                                      y=1.15,
+                                      xanchor="right",
+                                      x=1.0,
+                                      orientation="h",
+                                      bgcolor='rgba(0,0,0,0)',
+                                      font=dict(size=9))
+                          )
+        
         self.fig = fig
         self.fig_item = v.Card(children=[self.fig], style_='width:10%', class_='ma-auto pa-auto pt-0', elevation=0)
 
diff --git a/SysID Addon/seeq_sysid/gui/transfer_matrix.py b/SysID Addon/seeq_sysid/gui/transfer_matrix.py
index 5278fd0..7154636 100644
--- a/SysID Addon/seeq_sysid/gui/transfer_matrix.py	
+++ b/SysID Addon/seeq_sysid/gui/transfer_matrix.py	
@@ -33,6 +33,11 @@ def __init__(self,
         self.signal_df = None
         self.capsules_df = None
         
+        self.id_loader_text = v.CardTitle(children=['Initializing'], class_='justify-center')
+        self.id_loader_progress = v.ProgressLinear(v_model=0, rounded=True, class_='my-4')
+        self.id_loader_card = v.Card(children=[self.id_loader_text, self.id_loader_progress], class_='pa-4', width='100%', elevation=2)
+        self.id_loader_dialog = v.Dialog(children=[self.id_loader_card], v_model=False, width='20%',persistent=True, overlay_opacity=0)
+        
         TransferChip.reset()
 
     def create_matrix(self, signal_df=DataFrame(), capsule_df=DataFrame(), mv=[], cv=[], train_capsules=[], valid_capsules=[]):
@@ -87,11 +92,29 @@ def create_matrix(self, signal_df=DataFrame(), capsule_df=DataFrame(), mv=[], cv
             
             n_cv += 1
         
-        self.children = matrix_list
+        self.children = matrix_list + [self.id_loader_dialog]
     
     def run(self, *args):
+        data_min_ = 4
+        for cv_i in self.cv:
+            capsules = self.cv_label_dict[cv_i].select_train_capsules.v_model
+            
+            if self.capsule_df.empty:
+                if len(self.signal_df) - data_min_ <= 0:
+                    return 1
+            else:
+                # train condition
+                if len(self.signal_df[self.capsule_df[capsules].sum(axis=1) == True]) - data_min_ <= 0 and len(capsules):
+                    return 1
+                # validation condition
+                capsules = self.cv_label_dict[cv_i].select_validation_capsules.v_model
+                if len(self.signal_df[self.capsule_df[capsules].sum(axis=1) == True]) - data_min_ <= 0 and len(capsules):
+                    return 1
+            
         self.to_identify()
         
+        return 0
+        
     def compile_matrix(self):
         for cv_i in self.cv:
             for mv_i in self.mv:
@@ -161,28 +184,46 @@ def create_dataset(self, capsules: list = None):
     
     
     def to_identify(self):
+        
+        self.id_loader_progress.v_model = 0
+        self.id_loader_text.children = ['Initializing']
+        self.id_loader_dialog.v_model = True
+        delta_progress = 100/(len(self.cv)+1)
+        
         signal_df = self.signal_df.copy()
         self.create_model()
         
         self.train_df = DataFrame()
         temp_cv_meas = DataFrame()
         
+        self.id_loader_progress.v_model = delta_progress
+        
         for cv_i in self.model.cv:
+            self.id_loader_text.children = ['identifying '+cv_i]
             try:
                 capsules = self.cv_label_dict[cv_i].select_train_capsules.v_model
                 train_df = self.create_dataset(capsules)
                 y_train_df = self.model.identify(train_df, cv_i)
-
                 self.train_df = concat([self.train_df, y_train_df], axis=1)
                 self.to_step_response(cv_i)
-                
+
                 temp_cv_meas = concat([temp_cv_meas, train_df[cv_i]], axis=1)
 
-                # self.train_df = concat([self.train_df, train_df[cv_i]], axis=1)
+                ## self.train_df = concat([self.train_df, train_df[cv_i]], axis=1)
             except:
-                pass
+                chips = self.matrix_dic[cv_i]
+                for mv_i in self.mv:
+                    chips[mv_i].switch_chip()
+                    chips[mv_i].children = [chips[mv_i].no_solution_card]
+                self.model.models[cv_i].status = False
+
+            self.id_loader_progress.v_model += delta_progress
+                    
         
         self.train_df = concat([self.train_df, temp_cv_meas], axis=1)
+        self.train_df = self.train_df.shift(1).fillna(method='bfill')
+        
+        self.id_loader_dialog.v_model = False
             
             
     def to_step_response(self, cv_name):
@@ -200,22 +241,29 @@ def to_step_response(self, cv_name):
                 except:
                     chip.switch_chip()
                     chip.children = [chip.no_solution_card]
+                    self.model.models[cv_name].status = False
             
             else:
                 chip.disabled = True
                 
     def to_validation(self):
         self.validation_df = DataFrame()
+        validation_df_meas = DataFrame()
+        validation_df_pred = DataFrame()
 
         for cv_i in self.model.cv:
+            if not self.model.models[cv_i].status:
+                continue
+                
             capsules = self.cv_label_dict[cv_i].select_validation_capsules.v_model
             validation_df = self.create_dataset(capsules)
-            self.temp_df = validation_df
-            yp_valid_df = self.model.predict(validation_df, cv_i)
+            # self.temp_df = validation_df
+            yp_valid_df = self.model.predict_new(validation_df, cv_i)
 
-            self.validation_df = concat([self.validation_df, yp_valid_df], axis=1)
-            
-        self.validation_df = concat([self.validation_df, validation_df[self.model.cv]], axis=1)  
+            validation_df_pred = concat([validation_df_pred, yp_valid_df], axis=1)
+            validation_df_meas = concat([validation_df_meas, validation_df[cv_i]], axis=1)  
+                
+        self.validation_df = concat([validation_df_pred, validation_df_meas], axis=1)  
                     
 
 class CapsulesCard(v.Card):
diff --git a/SysID Addon/seeq_sysid/model/tf.py b/SysID Addon/seeq_sysid/model/tf.py
index 3efaad1..89dce15 100644
--- a/SysID Addon/seeq_sysid/model/tf.py	
+++ b/SysID Addon/seeq_sysid/model/tf.py	
@@ -1,7 +1,7 @@
 from seeq import spy
 
 from .tf_item import TransferItem, TransferOption
-from numpy import empty, array, zeros, arange
+from numpy import empty, array, zeros, arange, linspace, zeros_like, isnan
 from pandas import DataFrame
 from scipy.signal import TransferFunction
 from .arx import create_formula_variable_name
@@ -14,6 +14,7 @@ def __init__(self):
         self.models = {}
         self.dummy = None
         self.formula = None
+        self.arx_gain = {}
         
     def add_model(self, cv_name, model: TransferItem):
         self.models[cv_name] = model
@@ -75,11 +76,13 @@ def step_response(self, mv_name, cv_name):
         tau = option_item.tau if option_item.tau else 1
         
         tf = max(25*tau, 10*model.dt)
-        Time = arange(0, tf+1, model.dt)
+        # Time = arange(0, tf+1, model.dt)
+        sim_nt = min(int(tf/model.dt), 100)
+        Time = linspace(0, tf+1, sim_nt)
         sim_ts = len(Time)
 
         u = zeros((model.nu, sim_ts))
-        u[option_item.id][int(9*tau/model.dt):] = 1
+        u[option_item.id][int(tau/model.dt):] = 1
         
         u_df = DataFrame(u.T, columns=model.mv)
         # u_df += model.u_ss
@@ -157,6 +160,7 @@ def create_formula(self, tags_df, signal_df, **kwargs):
             formula_dic[uf_name[i]] = tags[tags['Name'] == u_name[i]]
         
             formula_list.append({'Name': '{} meas'.format(u_name[i]),
+            # formula_list.append({'Name': '{}'.format(u_name[i]),
                                  'Type': 'CalculatedSignal',
                                  'Description': '{}'.format(u_name[i]),
                                  'Formula': formula,
@@ -178,7 +182,11 @@ def create_formula(self, tags_df, signal_df, **kwargs):
         formula_list = []
 
         for cv_i in range(n_y):
+            
             cv_name = y_name[cv_i]
+            if not self.models[cv_name].status:
+                continue
+                
             y_ss = df[cv_name].iloc[0]
             y_opt = self.models[cv_name]
 
@@ -186,8 +194,10 @@ def create_formula(self, tags_df, signal_df, **kwargs):
             uf_name = create_formula_variable_name(u_name)
             formula = ''
             for tag in range(len(uf_name)):
+                # formula_dic[uf_name[tag]] = tags[tags['Name'] == u_name[tag]]
                 formula_dic[uf_name[tag]+'m'] = tags[tags['Name'] == u_name[tag]+' meas']
 
+
             timestep = y_opt.dt
 
             for mv_i in range(len(y_opt.mv)):
@@ -208,8 +218,9 @@ def create_formula(self, tags_df, signal_df, **kwargs):
 
                 for j in range(n_b):
                     formula += ' ({}.move({}s)-{})*({})\n+'.format(uf_name[mv_i]+'m', j * timestep + u_opt.theta, u_ss,
+                    # formula += ' ({}.move({}s)-{})*({})\n+'.format(uf_name[mv_i], j * timestep + u_opt.theta, u_ss,
                                                                    num[j])
-
+            formula = '(' + formula[:-1] + ')*{}+'.format(self.arx_gain[cv_name])
             formula += str(y_ss)
 
             formula_list.append({
@@ -221,9 +232,14 @@ def create_formula(self, tags_df, signal_df, **kwargs):
             })
             
         for i in range(n_y):
+            cv_name = y_name[i]
+            if not self.models[cv_name].status:
+                continue
+                
             formula = yf_name[i]
                 
-            formula_list.append({'Name': '{} meas'.format(y_name[i]),
+            # formula_list.append({'Name': '{} meas'.format(y_name[i]),
+            formula_list.append({'Name': '{}'.format(y_name[i]),
                                  'Type': 'CalculatedSignal',
                                  'Description': y_name[i],
                                  'Formula': formula,
@@ -233,3 +249,61 @@ def create_formula(self, tags_df, signal_df, **kwargs):
         self.formula = DataFrame(formula_list)
 
         return self.formula
+
+    
+    
+    def predict_new(self, signal_df, cv_name, **kwargs):
+        df = signal_df.copy()
+        
+        n_y = len(self.cv)
+        
+        y_name = self.cv             
+
+        yp_df = DataFrame()
+
+        y_ss = df[cv_name].iloc[0]
+        y_opt = self.models[cv_name]
+        
+        timestep = y_opt.dt
+
+        y_meas = df[cv_name]
+        y_i = zeros_like(y_meas)
+        
+        for mv_i in range(len(y_opt.mv)):
+            mv_name = y_opt.mv[mv_i]
+            u_opt = y_opt.option_dict[mv_name]
+            u_ss = df[mv_name].iloc[0]
+
+            tf_sys = TransferFunction(u_opt.num, u_opt.den)
+            tfd_sys = tf_sys.to_discrete(dt=timestep, method='zoh')
+            num = tfd_sys.num
+            den = tfd_sys.den
+
+            n_a = len(den)
+            n_b = len(num)
+
+            u_meas = df[mv_name]
+            for i in range(1, n_a):
+                y_i += (y_meas.shift(i).fillna(method='bfill') - y_ss) * (-den[i])
+                # formula += ' ({}.move({}s)-{})*({})\n+'.format(yf_name[cv_i], i * timestep, y_ss, -den[i])
+
+            for j in range(n_b):
+                y_i += (u_meas.shift(j).fillna(method='bfill') - u_ss) * num[j]
+                # formula += ' ({}.move({}s)-{})*({})\n+'.format(uf_name[mv_i]+'m', j * timestep + u_opt.theta, u_ss,
+                #                                                num[j])
+
+                    
+        # yp_df[cv_name+"_tf"] = array(y_i[0])/abs(option_item.gain)
+        if len(y_opt.mv) > 1:
+            Km = (y_meas-y_ss).values/y_i.values
+            Km = Km[~isnan(Km)]
+            
+            self.arx_gain[cv_name] = Km.mean()
+        else:
+            self.arx_gain[cv_name] = 1
+
+        yp_df[cv_name+"_tf"] = y_i.to_numpy()*self.arx_gain[cv_name] + y_ss
+            
+        yp_df = yp_df.set_index(df.index)
+
+        return yp_df
diff --git a/SysID Addon/seeq_sysid/model/tf_item.py b/SysID Addon/seeq_sysid/model/tf_item.py
index 9290595..1fbded2 100644
--- a/SysID Addon/seeq_sysid/model/tf_item.py	
+++ b/SysID Addon/seeq_sysid/model/tf_item.py	
@@ -322,6 +322,7 @@ def identify(self, df):
 
         self.options.Solver = 3
         self.options.IMODE = 5
+        self.options.MAX_TIME = 120
         self.solve(disp=False)
 
         self.label = [tag_label + '_tf' for tag_label in y_df.columns]
@@ -435,6 +436,7 @@ def simulate(self, u_df):
         self.ym[0].status = 1
 
         self.options.IMODE = 5
+        self.options.MAX_TIME = 120
         self.solve(disp=False)
 
         return self.ym.copy()
diff --git a/SysID Addon/setup.py b/SysID Addon/setup.py
index 3ecd570..e1e313b 100644
--- a/SysID Addon/setup.py	
+++ b/SysID Addon/setup.py	
@@ -5,7 +5,7 @@
 
 setup(
     name='seeq_sysid',
-    version='0.6.1',
+    version='0.7.0',
     packages=find_packages(),
     url='https://github.com/BYU-PRISM/Seeq',
     license='MIT',
@@ -16,14 +16,18 @@
     long_description_content_type='text/markdown',
     install_requires=[
 	  'ipyvuetify>=1.5.1',
-	  'gekko~=1.0.5',
-	  'numpy~=1.21.5',
+	  'gekko~=1.0.6',
+	  'numpy',
 	  'pandas>=1.2.1',
 	  'plotly>=4.5.0',
-       'python-dateutil>=2.8.1',
+        'python-dateutil>=2.8.1',
 	  'tensorflow~=2.5',
 	  'keras-tuner==1.0.4',
-	  'scipy'
+	  'scipy',
+	  'seeq',
+        'seeq-spy',
+        'jupyter',
+        'voila'
     ],
     keywords='Seeq Prism System Identification ARX FIR ARIMAX Subspace State-Space Neural-Network Addon Time-Series Transfer Function',
     include_package_data=True,
diff --git a/SysID Addon/sysid_notebook.ipynb b/SysID Addon/sysid_notebook.ipynb
index cb9b084..14a3934 100644
--- a/SysID Addon/sysid_notebook.ipynb	
+++ b/SysID Addon/sysid_notebook.ipynb	
@@ -30,7 +30,7 @@
    "outputs": [],
    "source": [
     "# Login\n",
-    "# spy.login(username='', password='', url='', quiet=True)"
+    "# spy.login(username='', password='', url='', quiet=True)\n"
    ]
   },
   {
@@ -42,17 +42,17 @@
    },
    "outputs": [],
    "source": [
-    "%%javascript\n",
+    "# %%javascript\n",
     "\n",
-    "if (document.addEventListener) {\n",
-    "  document.addEventListener('contextmenu', function(e) {\n",
-    "    e.preventDefault();\n",
-    "  }, false);\n",
-    "} else {\n",
-    "  document.attachEvent('oncontextmenu', function() {\n",
-    "      window.event.returnValue = false;\n",
-    "  });\n",
-    "}"
+    "# if (document.addEventListener) {\n",
+    "#   document.addEventListener('contextmenu', function(e) {\n",
+    "#     e.preventDefault();\n",
+    "#   }, false);\n",
+    "# } else {\n",
+    "#   document.attachEvent('oncontextmenu', function() {\n",
+    "#       window.event.returnValue = false;\n",
+    "#   });\n",
+    "# }"
    ]
   },
   {
@@ -71,7 +71,7 @@
     "    app = SYSID(sdl_notebook_url=jupyter_notebook_url)\n",
     "except:\n",
     "    app = SYSID(sdl_notebook_url='')\n",
-    "    \n",
+    "\n",
     "app.run()"
    ]
   }
@@ -92,7 +92,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.10 (tags/v3.8.10:3d8993a, May  3 2021, 11:48:03) [MSC v.1928 64 bit (AMD64)]"
+   "version": "3.10.9"
   },
   "vscode": {
    "interpreter": {
diff --git a/docs/_sources/pages/changelog.md.txt b/docs/_sources/pages/changelog.md.txt
index 78c868f..5b84e61 100644
--- a/docs/_sources/pages/changelog.md.txt
+++ b/docs/_sources/pages/changelog.md.txt
@@ -1,5 +1,11 @@
 # Changelog
 
+## v0.7.0
+- Performance improvement in TF identification
+- Progress bar added to TF identification
+- Legends added to TF chipsets
+- Bugs fixed for normalized plots in TF identification
+
 ## v0.6.1
 - Minor bugs fixed
 
diff --git a/docs/_sources/pages/citation.md.txt b/docs/_sources/pages/citation.md.txt
index 80a78b8..ab9bc22 100644
--- a/docs/_sources/pages/citation.md.txt
+++ b/docs/_sources/pages/citation.md.txt
@@ -3,7 +3,7 @@
 Please cite this work as:
 
 ```shell
-seeq-sysid v0.6.1
+seeq-sysid v0.7.0
 BYU PRISM Group https://apm.byu.edu/prism/
 https://github.com/BYU-PRISM/Seeq
 ```
diff --git a/docs/index.html b/docs/index.html
index 34a8d28..5850c79 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -127,6 +127,7 @@ <h2>Contents<a class="headerlink" href="#contents" title="Permalink to this head
 </ul>
 </li>
 <li class="toctree-l1"><a class="reference internal" href="pages/changelog.html">Changelog</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="pages/changelog.html#v0-7-0">v0.7.0</a></li>
 <li class="toctree-l2"><a class="reference internal" href="pages/changelog.html#v0-6-1">v0.6.1</a></li>
 <li class="toctree-l2"><a class="reference internal" href="pages/changelog.html#v0-6-0">v0.6.0</a></li>
 <li class="toctree-l2"><a class="reference internal" href="pages/changelog.html#v0-5-1">v0.5.1</a></li>
diff --git a/docs/pages/changelog.html b/docs/pages/changelog.html
index 6a7b0a0..6ba0ec8 100644
--- a/docs/pages/changelog.html
+++ b/docs/pages/changelog.html
@@ -46,6 +46,7 @@
 <li class="toctree-l1"><a class="reference internal" href="user_guide.html">User Guide</a></li>
 <li class="toctree-l1"><a class="reference internal" href="examples.html">Examples</a></li>
 <li class="toctree-l1 current"><a class="current reference internal" href="#">Changelog</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="#v0-7-0">v0.7.0</a></li>
 <li class="toctree-l2"><a class="reference internal" href="#v0-6-1">v0.6.1</a></li>
 <li class="toctree-l2"><a class="reference internal" href="#v0-6-0">v0.6.0</a></li>
 <li class="toctree-l2"><a class="reference internal" href="#v0-5-1">v0.5.1</a></li>
@@ -90,6 +91,15 @@
              
   <section id="changelog">
 <h1>Changelog<a class="headerlink" href="#changelog" title="Permalink to this headline"></a></h1>
+<section id="v0-7-0">
+<h2>v0.7.0<a class="headerlink" href="#v0-7-0" title="Permalink to this headline"></a></h2>
+<ul class="simple">
+<li><p>Performance improvement in TF identification</p></li>
+<li><p>Progress bar added to TF identification</p></li>
+<li><p>Legends added to TF chipsets</p></li>
+<li><p>Bugs fixed for normalized plots in TF identification</p></li>
+</ul>
+</section>
 <section id="v0-6-1">
 <h2>v0.6.1<a class="headerlink" href="#v0-6-1" title="Permalink to this headline"></a></h2>
 <ul class="simple">
diff --git a/docs/pages/citation.html b/docs/pages/citation.html
index a56a1ab..8f28026 100644
--- a/docs/pages/citation.html
+++ b/docs/pages/citation.html
@@ -78,7 +78,7 @@
   <section id="citation">
 <h1>Citation<a class="headerlink" href="#citation" title="Permalink to this headline"></a></h1>
 <p>Please cite this work as:</p>
-<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>seeq-sysid v0.6.1
+<div class="highlight-shell notranslate"><div class="highlight"><pre><span></span>seeq-sysid v0.7.0
 BYU PRISM Group https://apm.byu.edu/prism/
 https://github.com/BYU-PRISM/Seeq
 </pre></div>
diff --git a/docs/searchindex.js b/docs/searchindex.js
index 5797171..9995429 100644
--- a/docs/searchindex.js
+++ b/docs/searchindex.js
@@ -1 +1 @@
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diff --git a/docs_src/source/pages/changelog.md b/docs_src/source/pages/changelog.md
index 78c868f..5b84e61 100644
--- a/docs_src/source/pages/changelog.md
+++ b/docs_src/source/pages/changelog.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## v0.7.0
+- Performance improvement in TF identification
+- Progress bar added to TF identification
+- Legends added to TF chipsets
+- Bugs fixed for normalized plots in TF identification
+
 ## v0.6.1
 - Minor bugs fixed
 
diff --git a/docs_src/source/pages/citation.md b/docs_src/source/pages/citation.md
index 80a78b8..ab9bc22 100644
--- a/docs_src/source/pages/citation.md
+++ b/docs_src/source/pages/citation.md
@@ -3,7 +3,7 @@
 Please cite this work as:
 
 ```shell
-seeq-sysid v0.6.1
+seeq-sysid v0.7.0
 BYU PRISM Group https://apm.byu.edu/prism/
 https://github.com/BYU-PRISM/Seeq
 ```