piePlot

The piePlot method creates category histograms using data from Deephaven tables.

Syntax

piePlot(seriesName, t, categories, y)
piePlot(seriesName, categories, y)
piePlot(seriesName, sds, categories, y)

Parameters

Parameter	Type	Description
seriesName	String	The name (as a String) you want to use to identify the series on the plot itself.
t	Table	The table that holds the data to be plotted.
sds	SelectableDataSet	A selectable data set (e.g., OneClick filterable table).
categories	String	The name of the column in t or sds to be used for the categories.
categories	IndexableData	Data.
categories	List<T>	Data.
categories	<T>[]	Data.
y	String	Column in t or sds containing numeric data.
y	double[]	Numeric data.
y	float[]	Numeric data.
y	int[]	Numeric data.
y	long[]	Numeric data.
y	short[]	Numeric data.
y	List<T>	Numeric data.
y	<T>[]	Numeric data.

Returns

A pie chart.

Examples

The following example plots data from a Deephaven table.

import static io.deephaven.csv.CsvTools.readCsv

totalInsurance = readCsv("https://media.githubusercontent.com/media/deephaven/examples/main/Insurance/csv/insurance.csv")

regionInsurance = totalInsurance.view("region", "expenses").sumBy("region")

pieChart = piePlot("Expense per region", regionInsurance, "region", "expenses")\
     .chartTitle("Expenses per region")\
     .show()

totalInsurance

regionInsurance

pieChart

Related documentation

• How to use the Chart Builder
• How to create pie charts