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How are feature_importances in RandomForestClassifier determined?
...is also known as the Gini importance [1]."
Here is a direct link for more info on variable and Gini importance, as provided by scikit-learn's reference below.
[1] L. Breiman, and A. Cutler, “Random Forests”, http://www.stat.berkeley.edu/~breiman/RandomForests/cc_home.htm
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Change private static final field using Java reflection
... and accessibility forcing flag (if you play with non-public fields). More info you can find here.
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Difference between validate(), revalidate() and invalidate() in Swing GUI
...lidate() : This is something I have never used, so there might not be much info I can provide about it. But it seems like the scenarios presented above can give a bit of a hint, as to what happens when using invalidate().
s...
How to remove unreferenced blobs from my git repo
...he usage is pretty simple git forget-blob file-to-forget. You can get more info here
https://ownyourbits.com/2017/01/18/completely-remove-a-file-from-a-git-repository-with-git-forget-blob/
It will disappear from all the commits in your history, reflog, tags and so on
I run into the same problem e...
How to find the kth largest element in an unsorted array of length n in O(n)?
...d algorithm (called introselect) taking O(n) worst case time. There's some info on Wikipedia, but it's not very good.
Everything you need is in these powerpoint slides. Just to extract the basic algorithm of the O(n) worst-case algorithm (introselect):
Select(A,n,i):
Divide input into ⌈n/5...
How to maintain a Unique List in Java?
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You can use a Set implementation:
Some info from the JAVADoc:
A collection that contains no duplicate elements. More formally, sets contain no pair of elements e1 and e2 such that e1.equals(e2), and at most one null element. As implied by its name, this interf...
string.ToLower() and string.ToLowerInvariant()
...'t expecting. Such as producing ınfo without the dot on the i instead of info and thus mucking up string comparisons. For that reason, ToLowerInvariant should be used on any non-language-specific data. When you might have user input that might be in their native language/character-set, would gen...
rails i18n - translating text with links inside
...ing:
require 'erb'
module BootstrapFlashHelper
ALERT_TYPES = [:error, :info, :success, :warning] unless const_defined?(:ALERT_TYPES)
def bootstrap_flash
flash_messages = []
flash.each do |type, message|
# Skip empty messages, e.g. for devise messages set to nothing in a locale f...
Make page to tell browser not to cache/preserve input values
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i need more info @KingsleySimon like browser , and you may have some settings on your browser that prevent the correct behavior
– shareef
May 9 '16 at 11:04
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How to undo a git merge with conflicts
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Thank you, this info was very helpful. I had a merge that started with git stash apply on a wrong branch, and git merge --abort did nothing (no MERGE_HEAD), while git reset --merge did the trick.
– geomaster
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