dear list,
i have a matrix with missing values like
1 2 3 4 x
x 2 2 2 2
2 2 2 x 2
the x stands for the missing value.
i have to substitute it to NA
substitute or replace didn´t work out, as they are for vectors only
however matrix[,i] also didn´t work.
can anybody tell me, who i can change these values easily?
thanks stefan
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