Histogram Chart Programming Considerations

Unlike other Cartesian charts, a histogram input is not specified by X and Y coordinates. Instead, a single array of raw data values is specified in the Y ChartDataArray of each ChartDataSeries. Depending upon the IntervalCreationMethod selected, histogram input may also use the X ChartDataArray of a ChartDataSeries to specify interval boundaries.

The following table lists the Data Arrays and describes the effect each one has on Histogram charts.

 

Property

Description

X

Holds the interval boundaries for histograms with XDataBoundaries as the IntervalCreationMethod.

Y

Holds the raw data values.

Y1

No effect for Histogram charts.

Y2

No effect for Histogram charts.

Y3

No effect for Histogram charts.


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