numpy100本ノック 99,100 - Qiita

import numpy as np import matplotlib.pyplot as plt import seaborn as sns Given an integer n and a 2D array X, select from X the rows which can be interpreted as draws from a multinomial distribution with n degrees, i.e., the rows which only contain integers and which sum to n. (★★★) 与えられる二次元配列Xは、なんらかのresource（候補群）があって、その中からrandom生成されるものとした def multi_dist_n_pick(resource,size_2d,n): X = np.random.c