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filter for complete cases in data.frame using dplyr (case-wise deletion)
... num 1 2
## $ x2: num 1 2
## - attr(*, "na.action")= 'omit' Named int 3 4
## ..- attr(*, "names")= chr "3" "4"
ADDED Have updated to reflect latest version of dplyr and comments.
ADDED Have updated to reflect latest version of tidyr and comments.
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How do you generate dynamic (parameterized) unit tests in python?
...r/local/lib/python2.7/site-packages/parameterized/parameterized.py", line 233, in <lambda>
standalone_func = lambda *a: func(*(a + p.args), **p.kwargs)
File "x.py", line 12, in test_sequence
self.assertEqual(a,b)
AssertionError: 'a' != 'b'
For historical reasons I'll leave the orig...
Create JSON-object the correct way
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edited Mar 5 '19 at 22:34
answered Jul 19 '10 at 13:21
C...
What do the &,
...ion - 2.2 Structures for further details (or if you need even moar docs++: 3.2.2.2. Anchors and Aliases)
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Difference between Visibility.Collapsed and Visibility.Hidden
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Select DISTINCT individual columns in django?
...ax_length=20, primary_key=True)
category = models.CharField(max_length=30)
rank = models.IntegerField()
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binning data in python with scipy/numpy
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edited Aug 28 '13 at 8:20
Zhubarb
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What does value & 0xff do in Java?
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It sets result to the (unsigned) value resulting from putting the 8 bits of value in the lowest ...
How do you set EditText to only accept numeric values in Android?
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edited Jul 17 at 2:33
Josh Correia
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