Gower's Distance

Compute Gower's distance (or similarity) coefficient between records. Compute the top-n matches between records. Core algorithms are executed in parallel on systems supporting OpenMP.

News

version 0.2.0

gower_dist and gower_topn gain weight argument for weighted matching (thanks to David Turner)
gower_dist and gower_topn gain ignore_case argument for automatic column matching.
gower_dist now returns numeric(0) invisibly when there are no columns to compare.
gower_topn now returns a list with empty matrices when there are no columns to compare.
gower_topn now warns when n>nrow(y) and sets n=nrow(y)
bugfix: comparing factors with characters would cause a crash (thanks to Max Kuhn)

version 0.1.2

fixed valgrind warning
registered native routines, as now recommended by CRAN

version 0.1.1

gower_dist now issues warning when nr of rows on input do not divide (recycling)
Code now depends on gcc version for compatability with Windows + R<=3.2.x
Bugfix: bad range calculation caused faulty distance computation

version 0.1.0