"""
  COMP 364 Lecture 16: Histograms
  Author: Mathieu Perreault
"""

import matplotlib.pyplot as plt
import random, sys

# Simple demo first. Data is generated randomly but could be something else.
data = [random.random()*50. for i in range(50)]
print data
plt.figure()
plt.title('Distribution of randomly generated numbers')
plt.ylabel('Number of occurrences')
plt.xlabel('Bins')
plt.hist(data, bins=10,color='g')
plt.show()

"""# Histogram demo. Will plot a histogram of line lengths and a scatter plot.
lengths = []
for line in open(sys.argv[1]):
  line = line.strip('\n')
  lengths.append(len(line))
  
plt.figure()
plt.subplot(2,1,1)
plt.hist(lengths, bins=10)
plt.subplot(2,1,2)
plt.plot(range(len(lengths)),lengths,'g.')
plt.show()
"""