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2009 May 18
1
Using apply() and scale() in combination
Hello
I am an R newbie, and am coming against a couple of problems when I try and
apply the scale function across all the rows of a matrix.
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#I have a matrix "dt_l".
> str(dt_l)
num [1:40962, 1:885] 3.04 4.1 3.4 3.58 3.77 ...
#I want to convert the values in each row of this matrix into standardised
values (mean 0, sd 1). I believe the command for doing this is "scale()",
with the defaults for this function being to set mean at 0 and sd a...