search for: sum_range

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2008 Mar 04
1
equivalent of excel "sumif"
...NA NA 1 6 NA NA NA NA NA NA NA NA NA NA NA .... .... I want to fill up the columns of df1 (0,1,2,,,,15) with columns from df2 (0,1,2,,,,15) with column 'lgdcm' as the criterion for matching. There is a function in excel which does this type of thing, something like: SUMIF(range,criteria,sum_range) Can anyone help with this? Thanks in advance.