generate the histogram of given data . the number of bins k is decided by square-root choice . concode_field_sep PlaceHolder placeHolder concode_field_sep int bins concode_elem_sep int bins concode_elem_sep int sturges concode_elem_sep double[] breaks concode_elem_sep double[] breaks concode_elem_sep double[] breaks concode_elem_sep double[] breaks concode_elem_sep int scott
double [ ] [ ] function ( int [ ] arg0 ) { return histogram ( arg0 , bins ( arg0 . length ) ) ; }