Hi everybody!
I have a matrix of class "myClass", for example:
myMat <- matrix(rnorm(30), nrow = 6)
attr(myMat, "class") <- "myClass"
class(myMat)
When I extract part of ''myMat'', the corresponding class ''myClass''
unfortunately disappear:
myMat.p <- myMat[,1:2]
class(myMat.p)
Please for any advice / suggestions, how define class, that during an operation
does not disappear.
Thanks, OV
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