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intensityone
2007 Feb 19
6
Data frame: how to create list of row max?
Dear all,
Can anyone please shed some light onto how to do this?
This will give me all "intensity" columsn in my data frame:
intensityindeces <- grep("^Intensity",names(dataframe),value=TRUE)
This will give me the maximum intensity for the first row:
intensityone <- max(dataframe[1,intensityindeces])
What I'm now looking for is how to dfo this for the whole data frame. Should
yield a list of maximum intensities of all rows.
Can't figure it out ... please nudge me where I need to go.
Thanks, Joh