R-gdata

Various R programming tools for data manipulation, including: - medical unit conversions, - combining objects, - character vector operations, - factor manipulation, - obtaining information about R objects, - manipulating MS-Excel formatted files, - generating fixed-width format files, - extricating components of date & time objects, - operations on columns of data frames, - matrix operations, - operations on vectors, - operations on data frames, - value of last evaluated expression, and - wrapper for 'sample' that ensures consistent behavior for both scalar and vector arguments.

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