search for: tp4293529p4297794

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2012 Jan 13
2
More issues with apply
Hi all, Please consider the following: DataSet1.. <- data.frame(Bldgtype=c("SFDM","SFDM","SFDM","SFDM","SFDM","SFDM","APT"), Taz=c("254","254","254","564","564","564","564"),stringsAsFactors = FALSE) PeriodResType_Zx <-