This macro calculates the Winsorized mean and variance. Subcommands let you specify the amount of Winsorizing (by default c = 0.2) and to store the results.
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Suppose your data are in C1 and you would like to remove and replace the upper and lower 10% of the data and store the mean in C2 and the variance in C3.To run the macro, choose and type:
%WINSOR C1;
C 0.1;
STORE C2 C3.
Click Run.