search for: framewise

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2004 Nov 14
1
Odd behaviour of R 2.00
...nts This did not happen under R 1.9.0. More oddly, The following commands work just fine under R 2.0.0 > a<-1:10 > b<-letters[1:10] > b[3]<-"" > c<-data.frame(cbind(a,b)) > c[c==""]<-NA Why is this so? And how can I assign NA to "" data.framewise in seishin data.frame? Please help. Sincerely -------------------------------- Hiroto Miyoshi h_m_ at po.harenet.ne.jp