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How does one reorder columns in a data frame?
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354
Your dataframe has four columns like so df[,c(1,2,3,4)].
Note the first comma means keep all the...
How do I see the current encoding of a file in Sublime Text?
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Since this thread is a popular result in google search, here is the way to do it for sublime te...
Converting Python dict to kwargs?
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answered Apr 19 '11 at 0:48
unutbuunutbu
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How I can delete in VIM all text from current line to end of file?
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Map and Reduce in .NET
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answered Dec 15 '12 at 19:07
TonyTony
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Python's “in” set operator
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answered Jan 2 '12 at 21:14
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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How to create a tuple with only one element
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Because those first two elements aren't tuples; they're just strings. The parenthesis don't aut...
Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?
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edited May 17 '17 at 22:48
Elijah Sarver
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Understanding slice notation
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4772
It's pretty simple really:
a[start:stop] # items start through stop-1
a[start:] # item...
Dynamically select data frame columns using $ and a character value
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9 3 2 2
7 3 2 3
8 5 1 3
6 1 5 4
3 3 4 4
2 4 3 4
5 5 1 4
1 2 5 5
4 5 3 5
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