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2010 Oct 28
4
Alter character attribute
...ore efficient and possibly add the new attributes (month/year) to the data frame on the fly. Thanks guys.... #Create sample data RawData2..<-data.frame(ID=c(22,44),period_end_date=c("9/10/2007 0:00:00","2/2/2006 0:00:00")) #Create lists to store month and year results Data.Month_<-list() Data.Year_<-list() #pull out year/month attribute at put in own column for(i in 1:length(RawData2..$ID)){ #Select Record Data.X<-RawData..[i,] #Separate date into month, day, and year DateSplit<-strsplit(Data.X$period_end_date,"/") #Select mon...