Computational Mathematics

Adventures in Computing, Statistics, and R


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This package provides an R-commander “plug-in” for the core functions in the doBy package, which helps with computing groupwise statistics.

CRAN page:

Examples using mtcars dataset:

Computing the mean displacement (disp) for each group of cars grouped by number of cylinders (cyl):

Systematic sample of 10% of each combination of number of cylinders (cyl) and number of gears (gear):

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