+ src/language/stats/freq.c \
+ src/language/stats/freq.h \
+ src/language/stats/npar-summary.c \
+ src/language/stats/npar-summary.h \
+ src/language/stats/roc.c \
+ src/language/stats/roc.h \
+ src/language/stats/sign.c \
+ src/language/stats/sign.h \
+ src/language/stats/wilcoxon.c \
+ src/language/stats/wilcoxon.h