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toexten
2007 Sep 27
1
to overcome error while computing sd for each subset of data (PR#9931)
...ot; "NetSales" "OpPft"
[17] "Interest" "GrossPft" "AdjNetPft" "Dividend"
[21] "PrefDivi" "EquityPaidUp" "CurrentAssets" "PBIT"
[25] "TotExpen" "Equity" "FaceValue"
> c2<-aggregate(BusinessRisk,list(a2[,1]),sd(BusinessRisk,na.rm=TRUE))
Error in FUN(X[[1L]], ...) : argument "INDEX" is missing, with no default
>
Please help me to overcome this error.