visited_countries_hist.py

from trips.models import *
import matplotlib.pyplot as plt
counts = []
for t in Trip.objects.published():
    counts.append(len(t.visited_countries.all()))

plt.hist(counts)
plt.title("Visited Countries")
plt.xlabel("Number of Countries")
plt.ylabel("Frequency")
plt.savefig('/Users/craign/visited_countries.png')

print "test"