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Index Filters

You may wish to create charts using entities that have too many dimensions to render in a 2D chart.

In this case, you can use an index filter to reduce the dimensionality of the index set for your entity, so that the remaining elements can be included in charts.

Use the vdl-index-filter element as a child of vdl-chart-series. Its set attribute takes the name of the index set you wish to use, and its value attribute takes the name of the dimension.
<vdl-chart>
<vdl-chart-series entity="CustomerPropensity">
    <vdl-index-filter set="CHANNELS" value="Mail"></vdl-index-filter>
</vdl-chart-series>
</vdl-chart>

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