create

xchehub · web-flow · commit b26fc92ae74c · 2016-08-09T14:03:56.000+08:00
diff --git a/r_lang_code_snippets.r b/r_lang_code_snippets.r
@@ -0,0 +1,8 @@
+# random sampling
+
+# read from csv to data frame
+
+# read from database to data frame
+
+
+
