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TEST: Fix test_discrete_rv #412

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Jun 1, 2018
Merged

TEST: Fix test_discrete_rv #412

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9 changes: 3 additions & 6 deletions quantecon/tests/test_discrete_rv.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,10 @@
Tests for discrete_rv.py

"""
from __future__ import division
from collections import Counter
import unittest
import numpy as np
from numpy.testing import assert_allclose
from nose.plugins.attrib import attr
import pandas as pd
from quantecon import DiscreteRV


Expand Down Expand Up @@ -49,9 +46,9 @@ def test_Q_end_1(self):
def test_draw_lln(self):
"discrete_rv: lln satisfied?"
draws = self.drv.draw(1000000)
counts = pd.Series(Counter(draws))
counts = (counts / counts.sum()).values
assert max(np.abs(counts - self.drv.q)) < 1e-2
bins = np.arange(self.drv.q.size+1)
freqs, _ = np.histogram(draws, bins=bins, density=True)
assert_allclose(freqs, self.drv.q, atol=1e-2)

def test_draw_with_seed(self):
x = np.array([0.03326189, 0.60713005, 0.84514831, 0.28493183,
Expand Down