Optimized ColumnarDataFrame.groupby method
Optimized ColumnarDataFrame.groupby method

ioam/holoviews,vascotenner/holoviews,mjabri/holoviews,basnijholt/holoviews,basnijholt/holoviews,vascotenner/holoviews,ioam/holoviews,vascotenner/holoviews,ioam/holoviews,mjabri/holoviews,basnijholt/holoviews,mjabri/holoviews