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Relative frequencies / proportions with dplyr
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295
Try this:
mtcars %>%
group_by(am, gear) %>%
summarise(n = n()) %>%
mutate(freq =...
Flatten nested dictionaries, compressing keys
...return dict(items)
>>> flatten({'a': 1, 'c': {'a': 2, 'b': {'x': 5, 'y' : 10}}, 'd': [1, 2, 3]})
{'a': 1, 'c_a': 2, 'c_b_x': 5, 'd': [1, 2, 3], 'c_b_y': 10}
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Linux equivalent of the Mac OS X “open” command [closed]
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answered Nov 5 '08 at 5:28
number5number5
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Explain “claims-based authentication” to a 5-year-old
Well, not exactly to a 5-year-old, but please avoid buzzword and enterprisespeak if possible.
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Sample settings.xml for maven
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4 revs, 2 users 50%user180100
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Multiply TimeSpan in .NET
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Can I save the window layout in Visual Studio 2010/2012/2013?
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How to save a dictionary to a file?
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answered Oct 5 '13 at 18:50
ZahZah
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raw_input function in Python
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edited Nov 14 '16 at 18:50
TallChuck
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answered Apr 6 '11 at 7:54
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Which version of PostgreSQL am I running?
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answered Dec 5 '12 at 22:42
Highly IrregularHighly Irregular
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