+ src/language/stats/friedman.c \
+ src/language/stats/friedman.h \
+ src/language/stats/kruskal-wallis.c \
+ src/language/stats/kruskal-wallis.h \
+ src/language/stats/mann-whitney.c \
+ src/language/stats/mann-whitney.h \
+ src/language/stats/npar.c \
+ src/language/stats/npar.h \