def test_reg_unif(self):
std = reg(self.df, self.y, self.x, cluster=self.cluster, addcons=True)
shac = reg(self.df,
self.y,
self.x,
shac=self.spatial_hac,
addcons=True)
expected = std.vce / std._vce_correct
result = shac.vce / shac._vce_correct
assert_array_almost_equal(expected, result)
def setup_class(cls):
"""Stata reg output from `sysuse auto; reg price mpg`"""
test_path = path.split(path.relpath(__file__))[0]
auto_path = path.join(test_path, 'data', 'auto.dta')
autodata = pd.read_stata(auto_path)
y = 'price'
x = ['mpg', 'length']
a_name = 'gear_ratio'
cls.result = reg(autodata, y, x, a_name=a_name, cluster=a_name)
cls.expected = areg_cluster