def test_stdev(self):
from test_utils import elementwiseStdev
series = self.generateTestSeries()
stdVal = series.stdev()
arys = series.values().collect()
expected = elementwiseStdev([ary.astype('float16') for ary in arys])
assert_true(allclose(expected, stdVal, atol=0.001))
assert_equals('float64', str(stdVal.dtype)) # why not float16? see equivalent Images test
def test_stdev(self):
from test_utils import elementwiseStdev
arys, shape, size = _generateTestArrays(2, 'uint8')
imageData = ImagesLoader(self.sc).fromArrays(arys)
stdval = imageData.stdev()
expected = elementwiseStdev([ary.astype('float16') for ary in arys])
assert_true(allclose(expected, stdval))
assert_equals('float64', str(stdval.dtype))
def test_stdev(self):
from test_utils import elementwiseStdev
arys, shape, size = _generateTestArrays(2, 'uint8')
imageData = ImagesLoader(self.sc).fromArrays(arys)
stdval = imageData.stdev()
expected = elementwiseStdev([ary.astype('float16') for ary in arys])
assert_true(allclose(expected, stdval))
assert_equals('float64', str(stdval.dtype))
def test_stdev(self):
from test_utils import elementwiseStdev
series = self.generateTestSeries()
stdVal = series.stdev()
arys = series.values().collect()
expected = elementwiseStdev([ary.astype('float16') for ary in arys])
assert_true(allclose(expected, stdVal, atol=0.001))
assert_equals('float64', str(stdVal.dtype)) # why not float16? see equivalent Images test
