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testbind1
2009 Jun 21
1
Warning messages when using rbind
...or reasons that
I can't begin to understand. The text below shows the issue.
testread12=read.table("C:/Files/Test100.txt", head = T)
testread11=read.table("C:/Files/Test101.txt", head = T)
testbind1=rbind(testread12,testread11)
testbind2=rbind(testread11,testread12)
The testrbind1 line generates the following message:
"Warning message:
In `[<-.factor`(`*tmp*`, ri, value = c(0.00557998, -0.058016069, :
invalid factor level, NAs generated"
However the testrbind2 line works fine. Although the data in the files is
different, the format (columns, etc) should be...