本文整理匯總了Python中numpy.ma.mrecords.MaskedRecords方法的典型用法代碼示例。如果您正苦於以下問題：Python mrecords.MaskedRecords方法的具體用法？Python mrecords.MaskedRecords怎麽用？Python mrecords.MaskedRecords使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類numpy.ma.mrecords的用法示例。
在下文中一共展示了mrecords.MaskedRecords方法的7個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _fix_output
# 需要導入模塊: from numpy.ma import mrecords [as 別名]
# 或者: from numpy.ma.mrecords import MaskedRecords [as 別名]
def _fix_output(output, usemask=True, asrecarray=False):
"""
Private function: return a recarray, a ndarray, a MaskedArray
or a MaskedRecords depending on the input parameters
"""
if not isinstance(output, MaskedArray):
usemask = False
if usemask:
if asrecarray:
output = output.view(MaskedRecords)
else:
output = ma.filled(output)
if asrecarray:
output = output.view(recarray)
return output 示例2: test_wmasked_arrays
# 需要導入模塊: from numpy.ma import mrecords [as 別名]
# 或者: from numpy.ma.mrecords import MaskedRecords [as 別名]
def test_wmasked_arrays(self):
# Test merge_arrays masked arrays
(_, x, _, _) = self.data
mx = ma.array([1, 2, 3], mask=[1, 0, 0])
test = merge_arrays((x, mx), usemask=True)
control = ma.array([(1, 1), (2, 2), (-1, 3)],
mask=[(0, 1), (0, 0), (1, 0)],
dtype=[('f0', int), ('f1', int)])
assert_equal(test, control)
test = merge_arrays((x, mx), usemask=True, asrecarray=True)
assert_equal(test, control)
assert_(isinstance(test, MaskedRecords)) 示例3: recfromtxt
# 需要導入模塊: from numpy.ma import mrecords [as 別名]
# 或者: from numpy.ma.mrecords import MaskedRecords [as 別名]
def recfromtxt(fname, **kwargs):
"""
Load ASCII data from a file and return it in a record array.
If ``usemask=False`` a standard `recarray` is returned,
if ``usemask=True`` a MaskedRecords array is returned.
Parameters
----------
fname, kwargs : For a description of input parameters, see `genfromtxt`.
See Also
--------
numpy.genfromtxt : generic function
Notes
-----
By default, `dtype` is None, which means that the data-type of the output
array will be determined from the data.
"""
kwargs.setdefault("dtype", None)
usemask = kwargs.get('usemask', False)
output = genfromtxt(fname, **kwargs)
if usemask:
from numpy.ma.mrecords import MaskedRecords
output = output.view(MaskedRecords)
else:
output = output.view(np.recarray)
return output 示例4: recfromcsv
# 需要導入模塊: from numpy.ma import mrecords [as 別名]
# 或者: from numpy.ma.mrecords import MaskedRecords [as 別名]
def recfromcsv(fname, **kwargs):
"""
Load ASCII data stored in a comma-separated file.
The returned array is a record array (if ``usemask=False``, see
`recarray`) or a masked record array (if ``usemask=True``,
see `ma.mrecords.MaskedRecords`).
Parameters
----------
fname, kwargs : For a description of input parameters, see `genfromtxt`.
See Also
--------
numpy.genfromtxt : generic function to load ASCII data.
Notes
-----
By default, `dtype` is None, which means that the data-type of the output
array will be determined from the data.
"""
# Set default kwargs for genfromtxt as relevant to csv import.
kwargs.setdefault("case_sensitive", "lower")
kwargs.setdefault("names", True)
kwargs.setdefault("delimiter", ",")
kwargs.setdefault("dtype", None)
output = genfromtxt(fname, **kwargs)
usemask = kwargs.get("usemask", False)
if usemask:
from numpy.ma.mrecords import MaskedRecords
output = output.view(MaskedRecords)
else:
output = output.view(np.recarray)
return output 示例5: test_wmasked_arrays
# 需要導入模塊: from numpy.ma import mrecords [as 別名]
# 或者: from numpy.ma.mrecords import MaskedRecords [as 別名]
def test_wmasked_arrays(self):
"Test merge_arrays masked arrays"
(_, x, _, _) = self.data
mx = ma.array([1, 2, 3], mask=[1, 0, 0])
test = merge_arrays((x, mx), usemask=True)
control = ma.array([(1, 1), (2, 2), (-1, 3)],
mask=[(0, 1), (0, 0), (1, 0)],
dtype=[('f0', int), ('f1', int)])
assert_equal(test, control)
test = merge_arrays((x, mx), usemask=True, asrecarray=True)
assert_equal(test, control)
assert_(isinstance(test, MaskedRecords))
# 示例6: recfromtxt
# 需要導入模塊: from numpy.ma import mrecords [as 別名]
# 或者: from numpy.ma.mrecords import MaskedRecords [as 別名]
def recfromtxt(fname, **kwargs):
"""
Load ASCII data from a file and return it in a record array.
If ``usemask=False`` a standard `recarray` is returned,
if ``usemask=True`` a MaskedRecords array is returned.
Parameters
----------
fname, kwargs : For a description of input parameters, see `genfromtxt`.
See Also
--------
numpy.genfromtxt : generic function
Notes
-----
By default, `dtype` is None, which means that the data-type of the output
array will be determined from the data.
"""
kwargs.update(dtype=kwargs.get('dtype', None))
usemask = kwargs.get('usemask', False)
output = genfromtxt(fname, **kwargs)
if usemask:
from numpy.ma.mrecords import MaskedRecords
output = output.view(MaskedRecords)
else:
output = output.view(np.recarray)
return output 示例7: recfromcsv
# 需要導入模塊: from numpy.ma import mrecords [as 別名]
# 或者: from numpy.ma.mrecords import MaskedRecords [as 別名]
def recfromcsv(fname, **kwargs):
"""
Load ASCII data stored in a comma-separated file.
The returned array is a record array (if ``usemask=False``, see
`recarray`) or a masked record array (if ``usemask=True``,
see `ma.mrecords.MaskedRecords`).
Parameters
----------
fname, kwargs : For a description of input parameters, see `genfromtxt`.
See Also
--------
numpy.genfromtxt : generic function to load ASCII data.
"""
case_sensitive = kwargs.get('case_sensitive', "lower") or "lower"
names = kwargs.get('names', True)
if names is None:
names = True
kwargs.update(dtype=kwargs.get('update', None),
delimiter=kwargs.get('delimiter', ",") or ",",
names=names,
case_sensitive=case_sensitive)
usemask = kwargs.get("usemask", False)
output = genfromtxt(fname, **kwargs)
if usemask:
from numpy.ma.mrecords import MaskedRecords
output = output.view(MaskedRecords)
else:
output = output.view(np.recarray)
return output