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How are feature_importances in RandomForestClassifier determined?

I have a classification task with a time-series as the data input, where each attribute (n=23) represents a specific point in time. Besides the absolute classification result I would like to find out, which attributes/dates contribute to the result to what extent. Therefore I am just using the feat...
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Python executable not finding libpython shared library

...IBRARY_PATH=/usr/local/lib /usr/local/bin/python Replace /usr/local/lib with the folder where you have installed libpython2.7.so.1.0 if it is not in /usr/local/lib. If this works and you want to make the changes permanent, you have two options: Add export LD_LIBRARY_PATH=/usr/local/lib to your ...
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Bin size in Matplotlib (Histogram)

... Actually, it's quite easy: instead of the number of bins you can give a list with the bin boundaries. They can be unequally distributed, too: plt.hist(data, bins=[0, 10, 20, 30, 40, 50, 100]) If you just want them equally distribute...
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Sequence contains no matching element

... Well, I'd expect it's this line that's throwing the exception: var documentRow = _dsACL.Documents.First(o => o.ID == id) First() will throw an exception if it can't find any matching elements. Given that you're testing for null immediat...
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how to return index of a sorted list? [duplicate]

I need to sort a list and then return a list with the index of the sorted items in the list. For example, if the list I want to sort is [2,3,1,4,5] , I need [2,0,1,3,4] to be returned. ...
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Understanding slice notation

... It's pretty simple really: a[start:stop] # items start through stop-1 a[start:] # items start through the rest of the array a[:stop] # items from the beginning through stop-1 a[:] # a copy of the whole ...
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JavaScript open in a new window, not tab

I have a select box that calls window.open(url) when an item is selected. Firefox will open the page in a new tab by default. However, I would like the page to open in a new window, not a new tab. ...
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Missing include “bits/c++config.h” when cross compiling 64 bit program on 32 bit in Ubuntu

I am running the 32bit version of Ubuntu 10.10 and trying to cross compile to a 64 bit target. Based on my research, I have installed the g++-multilib package. ...
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What is your single most favorite command-line trick using Bash? [closed]

... Renaming/moving files with suffixes quickly: cp /home/foo/realllylongname.cpp{,-old} This expands to: cp /home/foo/realllylongname.cpp /home/foo/realllylongname.cpp-old sh...
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Can iterators be reset in Python?

Can I reset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file. ...