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How to remove all rows in a numpy.ndarray that contain non-numeric values

Basically, I'm doing some data analysis. I read in a dataset as a numpy.ndarray and some of the values are missing (either by just not being there, being NaN , or by being a string written " NA "). ...
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How to change the indentation width in emacs javascript mode

I'd like to use 2 spaces for my indents instead of 4. I can change the default behavior of C mode using: 9 Answers ...
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How to use the 'sweep' function

...t the source of R Packages, i see the function sweep used quite often. Sometimes it's used when a simpler function would have sufficed (e.g., apply ), other times, it's impossible to know exactly what it's is doing without spending a fair amount of time to step through the code block it's in. ...
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How to calculate moving average using NumPy?

There seems to be no function that simply calculates the moving average on numpy/scipy, leading to convoluted solutions . ...
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Difference between decimal, float and double in .NET?

What is the difference between decimal , float and double in .NET? 18 Answers 18 ...
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What do the result codes in SVN mean?

What do the result codes in SVN mean? I need a quick reference. 9 Answers 9 ...
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Select between two dates with Django

I am looking to make a query that selects between dates with Django. 4 Answers 4 ...
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Case in Select Statement

I have an SQL statement that has a CASE from SELECT and I just can't get it right. Can you guys show me an example of CASE where the cases are the conditions and the results are from the cases. For example: ...
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C++ Modules - why were they removed from C++0x? Will they be back later on?

I just discovered this old C++0x draft about modules in C++0x. 4 Answers 4 ...
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How do I see the extensions loaded by PHP?

It's got to be somewhere in the phpinfo() dump, but I just don't know where. Is it supposed to be under the "Additional Modules" section? Somewhere else? I'm trying to figure out why some extensions don't appear to be loaded, but I don't even know where I should be looking. ...