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How to convert index of a pandas dataframe into a column?

... val tick tag obs 2016-02-26 C 2 0.0139 2016-02-27 A 2 0.5577 2016-02-28 C 6 0.0303 and you want to convert the 1st (tick) and 3rd (obs) levels in the index into columns, you would do: >>> df.reset_index(level=['tick', 'obs']) ti...
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How to keep index when using pandas merge

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From an array of objects, extract value of a property as array

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How to write log base(2) in c/c++

... ++l; } – Lee Daniel Crocker Aug 5 '13 at 4:41 2 @Joey That would work assuming integer is 32 bit...
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PostgreSQL create table if not exists

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Total number of items defined in an enum

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Why does the PHP json_encode function convert UTF-8 strings to hexadecimal entities?

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Fastest hash for non-cryptographic uses?

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Tricky Google interview question

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Difference between getDefaultSharedPreferences and getSharedPreferences

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