Displaying 2 results from an estimated 2 matches for "meanxi".
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2008 Jul 06
3
Lots of huge matrices, for-loops, speed
Hello,
we have 80 text files with matrices. Each matrix represents a map (rows for
latitude and columns for longitude), the 80 maps represent steps in time. In
addition, we have a vector x of length 80. We would like to compute a
regression between matrices (response through time) and x and create maps
representing coefficients, r2 etc. Problem: the 80 matrices are of the size
4000 x 3500 and we
2010 Aug 25
1
Estimate average standard deviation of mean of two dependent groups
Dear R-experts!
I am currently running a meta-analysis with the help of the great metafor
package. However I have some difficulties setting up my raw data to enter it
to the meta-analysis models.
I have a group of subjects that have been measured in two continuous
variables (A & B). I have the information about the mean of the two
variables, the group size (n) and the standard deviations of