Re: [R] aggregate and sum on some columns fromduplicate rows

Hi again, Sorry for disturbing. After posting I suddenly found a solution. As it may help someone else here it goes. df du1 <- duplicated(df[,c("St.Sam","Species")],fromLast = F) du2 <- duplicated(df[,c("St.Sam","Species")],fromLast = T) X <- df[du1|du2,] aggRows <- aggregate(cbind(NT,PT) ~St.Sam

[R] aggregate and sum on some columns fromduplicate rows

Hi list, I have a dataframe df looking like this one: St.SamSpVar1 Var2NTPT ST1.S1Sp112aa2032 ST1.S1Sp232bb4526 ST1.S1Sp112aa 3 5 ST1.S1Sp347cc8935 ST1.S2Sp125dd2966 ST1.S2Sp2

[R] EDCR build from source with namespace problem

Hi R community, I am running R version 2.15.3 (2013-03-01) -- "Security Blanket" on a Linux Ubuntu 12.10 i686 I tried to install EDCR from : ftp://orpheus.pfeg.noaa.gov/outgoing/EDC/R/EDCR_1.0_R_i686-pc-linux-gnu.tar.gz Dependencies (namely ncdf4) are installed. Install goes fine (at list it seems