search for: windeyer

Displaying 2 results from an estimated 2 matches for "windeyer".

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2009 Apr 19
2
covariance
Does anyone know a way to calculate the covariances between two arrays/matrices x and y, row by row. i.e. var(x[n,],y[n,]) for all n ? Benjamin Chain Division of Infection and Immunity Windeyer Building UCL, 46 Cleveland St. London W1T 4JF Fax 00 44 20 7679 9301
2009 May 31
2
renaming column names
...sage, but the column names don''t change because when I then type : colnames(data) I get the same set of names as before, so the assignment doesnt seem to have worked. Any ideas or suggestions gratefully received. Benny Chain Benjamin Chain Division of Infection and Immunity Windeyer Building UCL, 46 Cleveland St. London W1T 4JF Fax 00 44 20 7679 9301 [[alternative HTML version deleted]]