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2012 Oct 12
1
Error in rowMeans function
...s for a CFA model. I am trying to average 6 sets of 3 variables each into parcels. I don't understand why I am getting an error message as follows: Thanks for your help, Catherine atds1par <- rowMeans(semHW1dat1[, c("atds1", "atds2", "atds3")], na.rm=TRUE) atds2par <- rowMeans(semHW1dat1[, c("atds4", "atds5", "atds6")], na.rm=TRUE) atds3par <- rowMeans(semHW1dat1[, c("atds7", "atds8", "atds9")], na.rm=TRUE) sgs1par <- rowMeans(semHW1dat1[, c("sgs1", "sgs2", "sgs3...