[FEA] I want to request for custom number chart in cuXfilter. I have custom function, I want to create a dashboard which has date range slider chart, bar chart and number chart which shows output of custom function. But I couldn't find custom number chart in cuXfilter documentation

[VarshaPendem]

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[AjayThorve]

Hey @VarshaPendem, thanks for creating a feature request.

More details on the type of custom function you intend to use would certainly help. We do have a custom number chart function though, if you haven't already checked it out: https://docs.rapids.ai/api/cuxfilter/nightly/charts/panel_widgets.html#number-chart. Does this work for your usecase?

[VarshaPendem]

Hi Ajay, I checked that page, The available functions are (aggregate_fn: {'count', 'mean', 'min', 'max','sum', 'std'}, default 'count'}) And we have parameter 'expression' to give string expression. But is there any parameter to give custom function(which is not available in aggregate function)? Thanks, Varsha

[AjayThorve]

Hi @VarshaPendem, the aggregate_fn actually depends on cuDF's aggregation methods on groupbys, and was limited by it. Since the new cuDF version supports many more aggregations, including apply, this feature should be possible to implement, I've made a note of it, and we'll allocate resources to implement this feature soon. Thanks for the feature request!