Fix bug in meanWeighted if first weigth is zero then function returned NaN. Add check to prevent this
Fix bug in meanWeighted
if first weigth is zero then function returned NaN. Add check to prevent this


bos/statistics,Shimuuar/statistics,Shimuuar/statistics,bos/statistics,fpco/statistics,mihaimaruseac/statistics,mihaimaruseac/statistics,fpco/statistics,mihaimaruseac/statistics