[BoxWhiskerPlot] Too much data error on small dataset about powerbi-custom-visuals

[KevinHoward]

@liprec ,

I did some further investigation, and it appears that the error only occurs when the data source is an SSAS Tabular Model. When pulling the same data from an Excel file, everything works as expected. So, it appears that this error is caused by something in Power BI and not in the visualization.

Thanks for your help.

-Kevin

same issues:
http://community.powerbi.com/t5/Service/Too-Many-Values-Not-Showing-All-Data-error-for-pie-chart/td-p/3294
http://community.powerbi.com/t5/Desktop/Too-many-values/td-p/2939

[liprec]

Hi @KevinHoward,

My visual is designed to get a dataset with one measure (Values), one category field (Groups) for the number of box and whiskers and several fields that 'samples' the dataset (Samples). There are some data point limitations: category can have a maximum of 100 and the sampling has a maximum of 50.000.

So probably the column your are using as the category/groups field has to many individual values and due to the maximum of 100 it will hit the limit and Power BI warns that the 'dataset is too large'.

And the main reason of mapping the categories to the rows of the matrix, is that all assigned datapoints (columns) can be retrieved via an array (#L385) and this array is used to calculate the measures needed for the box and whisker.

Hope this will help you. If not maybe you can share your dataset so it would be easier to pinpoint what is causing the warning.

Thanks, JP