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yalcin
2005 Sep 20
1
scale function within a for-loop?
I have a data matrix containing around 180 variables and more than 470
observations for each and no missing values.
Within a for-loop, the first step of calculations is to standardize each
column, such that the mean of each column is zero and the sd is one. The
for-loop starts with a subset of the initial matrix and includes all columns
but only a third of the rows. The loop "works itself