Sample chart data

Author: kenshaw

contrib/charts/area_density_stacked.vl.json

@@ -0,0 +1,22 @@
+{
+  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
+  "title": "{{ header }}",
+  "width": 400,
+  "height": 80,
+  "data": {
+    "url": "data/penguins.json"
+  },
+  "mark": "area",
+  "transform": [
+    {
+      "density": "{{ x }}",
+      "groupby": ["Species"],
+      "extent": [2500, 6500]
+    }
+  ],
+  "encoding": {
+    "x": {"field": "value", "type": "quantitative", "title": "{{ title_x }}"},
+    "y": {"field": "density", "type": "quantitative", "stack": "zero"},
+    "color": {"field": "{{ field_x }}", "type": "nominal"}
+  }
+}