def _calc_basic_statistics(self):
"""This function determines the mean and the standard deviation
of the data sample.
Furthermore, several other simple properties are determined.
"""
self.mean = stats.mean(self._data_samples)
self.geom_mean = stats.geomean(self._data_samples)
self.median = stats.median(self._data_samples)
self.std_dev = stats.stddev(self._data_samples)
self.min = min(self._data_samples)
self.max = max(self._data_samples)
def _calc_basic_statistics(self):
"""This function determines the mean and the standard deviation
of the data sample.
Furthermore, several other simple properties are determined.
"""
self.mean = stats.mean(self._data_samples)
self.geom_mean = stats.geomean(self._data_samples)
self.median = stats.median(self._data_samples)
self.std_dev = stats.stddev(self._data_samples)
self.min = min(self._data_samples)
self.max = max(self._data_samples)
def test_geomean_simple(self):
self.assertAlmostEqual( 1.817120592, stats.geomean([ 1, 2, 3]))
self.assertAlmostEqual( 1.817120592, stats.geomean([1.0, 2.0, 3.0]))
self.assertAlmostEqual(19.112093553, stats.geomean(self._integers))
self.assertAlmostEqual(19.112093553, stats.geomean(self._floats))
self.assertAlmostEqual(22.533409416, stats.geomean(self._floats2))
self.assertAlmostEqual(22.245044799, stats.geomean(self._mixed))
def test_geomean_vs_scipy(self):
self.assertAlmostEqual(scipy.stats.gmean([1, 2, 3]),
stats.geomean([1, 2, 3]))
self.assertAlmostEqual(scipy.stats.gmean([1.0, 2.0, 3.0]),
stats.geomean([1.0, 2.0, 3.0]))
self.assertAlmostEqual(scipy.stats.gmean(self._integers),
stats.geomean(self._integers))
self.assertAlmostEqual(scipy.stats.gmean(self._floats),
stats.geomean(self._floats))
self.assertAlmostEqual(scipy.stats.gmean(self._floats2),
stats.geomean(self._floats2))
self.assertAlmostEqual(scipy.stats.gmean(self._mixed),
stats.geomean(self._mixed))
