Area Spline Chart
Area spline chart is a graph that shows the frequency distribution (shape) of numerical data, similiar to histogram. Area spline chart using curvy line to represent the frequency of the data instead of using bar (in histogram).
Form
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Variable(s)num
Select numerical variable you want to visualize with area spline chart. The scale of the variable will be applied as X-axis, and the frequency of a certain range will be plotted in Y-axis.
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Group byopt
Select a categorical variable if you want to split the variable(s) into certain groups. You can leave this form blank or select "None" of you don't want to group the data.
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Display
If you select a categorical variable as group, you can choose if you want the areas to be stacked or not.
Example
You can use iris dataset to generate an area spline chart of Sepal.Length, Sepal.Width, Petal.Length, and Petal.Width. You can also split the area by Species variable.
