slib_lang_exists_tmp=yes

slib_title=Effectifs of statistical series in classes

slib_out= [effectifs of classes] ,[classes data]
slib_comment= data : [x_1,...,x_n]  ; classes : [a_1,...,a_m] (with min and max add if necessary) ;\
 if only 2 numbers in classes data, first one is the smaller, second one the width of classes ;\
 if no classes, classes are created of width ceil(4*n^(1/4)
