plotBy

The plotBy method creates muliptle XY series plots per distinct grouping value specified in byColumns.

Syntax

plotBy(seriesName, t, x, y, byColumns)
plotBy(seriesName, sds, x, y, byColumns)

Parameters

Parameter	Type	Description
seriesName	Comparable	The name you want to use to identify the series on the plot itself.
t	Table	The table.
sds	SelectableDataSet	Selectable data set (e.g., OneClick filterable table).
x	String	The column in t contains the X variable data.
y	String	The column in t that contains the Y variable data.
byColumns	list[String]	Column(s) in t that holds the grouping data.

Returns

An XY series plot with multiple series.

Examples

The following example plots data from a Deephaven table.

import static io.deephaven.csv.CsvTools.readCsv

source = readCsv("https://media.githubusercontent.com/media/deephaven/examples/main/CryptoCurrencyHistory/CSV/CryptoTrades_20210922.csv")

result = plotBy("Sept22", source, "Timestamp", "Price", "Instrument").show()

Related documentation

• How to use the Chart Builder
• How to create XY series plots
• Arrays
• Javadoc