get the row number of dmatrix concode_field_sep long handle concode_elem_sep Log logger concode_field_sep float[] getLabel concode_elem_sep float[] getWeight concode_elem_sep void setWeight concode_elem_sep long getHandle concode_elem_sep void delete concode_elem_sep float[] getBaseMargin concode_elem_sep float[] flatten concode_elem_sep void setGroup concode_elem_sep int[] getIntInfo concode_elem_sep DMatrix slice concode_elem_sep void saveBinary concode_elem_sep void setLabel concode_elem_sep void finalize concode_elem_sep float[] getFloatInfo concode_elem_sep void setBaseMargin concode_elem_sep void setBaseMargin
long function ( ) { long [ ] loc0 = new long [ 1 ] ; ErrorHandle . checkCall ( XgboostJNI . XGDMatrixNumRow ( handle , loc0 ) ) ; return loc0 [ 0 ] ; }