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Questions tagged data-analysis

5 questions

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531
votes
5
answers

How to sort a pandas dataFrame by two or more columns?

python pandas dataframe sorting data-analysis
asked 2013-06-17T06:28:47.340
9
votes
2
answers

A question on cross-correlation & correlation coefficient

math matlab data-analysis cross-correlation
asked 2011-06-08T20:13:36.367
9
votes
2
answers

How do I lag columns in MySQL?

mysql sql data-analysis sliding-window
asked 2011-03-30T07:37:36.713
14
votes
1
answers

Matplotlib: Formatting dates on the x-axis in a 3D Bar graph

python numpy graph matplotlib data-analysis
asked 2010-02-03T22:30:52.863
11
votes
4
answers

How do you deal with missing data using numpy/scipy?

python numpy data-analysis
asked 2009-09-04T03:44:57.343