Delphine Fontaine <delphine.fontaine <at> genexion.com> writes:
> I would like to create a new data frame composed of 2 columns of another
> data frame. But it does not give me what I want...
>
> > casesCNST[1:10,]
> case X1 X2 X3 X4 expected
> 1 A1 0 0 0 0 E
> 2 A2 0 0 0 1 C
...
> > expectedCNST <- data.frame (cbind (casesCNST$case, casesCNST$expected))
>
> > expectedCNST[1:10,]
> X1 X2
> 1 1 4
......
attenu[1:10,]
attenu[1:10,c("mag","dist")]
Dieter
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