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7.3.3 Column Replacement

Column replacement operates on a column of the current relation, and supports three distinct types of variables: internals, PointEstimation, and LineFit.

The following getstats internal variables are supported:

The name of the current column

From Statistics::PointEstimation (perldoc Statistics::PointEstimation):










The half-width of the confidence interval. The confidence level for the CI is $globals{confidencelevel}.

From Statistics::LineFit (perldoc Statistics::LineFit):

Slope of the fitted line
Intercept of the fitted line




Column replacement implies global replacement.