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2008 Oct 29
0
Propagate vector attributes to data frame
...ion(df, ...) {
df <- apply(df, 2, myFunction , ...)
}
myDataFrame[cols] <- myFunction(myDataFrame[cols])
Unfortunately, it seems to me that the attributes set in myFunction are
not transferred into the data frame. At least I can't figure out how to
extract them. attributes(myDataFrame$myColum) is NULL and there is
nothing in attributes(myDataFrame) that looks like a possible myAttr.
Is there a way so that attributes of numeric vectors could be kept in
the data.frame?
Thanks in advance,
Xavier Robin
--
Xavier Robin
Biomedical Proteomics Research Group (BPRG)
Department of Structural...