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Confusion between factor levels and factor labels

... 131 Very short : levels are the input, labels are the output in the factor() function. A factor ha...
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How do I rename all files to lowercase?

... | edited Jun 4 '16 at 7:12 answered Oct 16 '11 at 20:39 ...
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How to get a substring of text?

... | edited Aug 17 '12 at 10:25 answered May 31 '11 at 8:14 ...
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How can I round down a number in Javascript?

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Python: Using .format() on a Unicode-escaped string

....format(s) Traceback (most recent call last): File "<stdin>", line 1, in <module> UnicodeEncodeError: 'ascii' codec can't encode character u'\u2265' in position 0: ordinal not in range(128) >>> print u"{0}".format(s) ≥ >>> ...
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How to calculate moving average using NumPy?

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How do you simulate Mouse Click in C#?

... 145 I have combined several sources to produce the code below, which I am currently using. I have ...
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How to express infinity in Ruby?

... 188 If you use ruby 1.9.2, you can use: >> Float::INFINITY #=> Infinity >> 3 < ...
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In Python, what is the difference between “.append()” and “+= []”?

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Converting between datetime, Timestamp and datetime64

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