ex4_2_2.py

# Exercise 4.2.2

from matplotlib.pyplot import figure, subplot, hist, xlabel, ylim, show
import numpy as np
# requires data from exercise 4.2.1
from ex4_2_1 import *

figure(figsize=(8,7))
u = np.floor(np.sqrt(M)); v = np.ceil(float(M)/u)
for i in range(M):
    subplot(int(u),int(v),i+1)
    hist(X[:,i], color=(0.2, 0.8-i*0.2, 0.4))
    xlabel(attributeNames[i])
    ylim(0,N/2)
    
show()

print('Ran Exercise 4.2.2')