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Top Questions
75
votes
What is the proper usage of scale_pos_weight in xgboost for imbalanced datasets?
unbalanced-classes
xgboost
asked Oct 30, 2016 at 13:59
stats.stackexchange.com
36
votes
Why is xgboost so much faster than sklearn GradientBoostingClassifier?
scikit
xgboost
gbm
asked Mar 29, 2016 at 14:14
datascience.stackexchange.com
36
votes
pandas: how do I select first row in each GROUP BY group?
python
pandas
asked May 27, 2015 at 15:09
stackoverflow.com
29
votes
Are trekking poles proven to be helpful?
trekking-poles
asked Aug 16, 2013 at 15:03
outdoors.stackexchange.com
25
votes
Why is P(A,B|C)/P(B|C) = P(A|B,C)?
probability
conditional-probability
asked Jan 26, 2017 at 22:13
stats.stackexchange.com
23
votes
how to get pandas get_dummies to emit N-1 variables to avoid collinearity?
python
pandas
machine-learning
dummy-variable
asked Jul 19, 2015 at 5:50
stackoverflow.com
21
votes
babun: copy/paste from windows clipboard into vim?
windows
vim
console
emulator
conemu
asked Jun 17, 2015 at 6:04
stackoverflow.com
21
votes
Reference columns in a FOREACH after a JOIN?
apache-pig
piglatin
asked Nov 8, 2011 at 13:32
stackoverflow.com
21
votes
Can you give a simple intuitive explanation of IRLS method to find the MLE of a GLM?
regression
generalized-linear-model
maximum-likelihood
link-function
irls
asked Sep 24, 2016 at 7:59
stats.stackexchange.com
16
votes
Need help understanding xgboost's approximate split points proposal
xgboost
gbm
asked Apr 1, 2016 at 14:35
datascience.stackexchange.com
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Top Answers
22
How to predict probabilities in xgboost using R?
datascience.stackexchange.com
17
BIT: What is the intuition behind a binary indexed tree and how was it thought about?
cs.stackexchange.com
13
Pandas sum across columns and divide each cell from that value
stackoverflow.com
12
Python: Random selection per group
stackoverflow.com
10
How to access column after pandas .groupby
stackoverflow.com
8
Need help understanding xgboost's approximate split points proposal
datascience.stackexchange.com
8
Intuitive example for MLE, MAP and Naive Bayes classifier
stats.stackexchange.com
7
A basic question about bitcoin's anti double spending mechanism
cstheory.stackexchange.com
5
hadoop api configuration on the client machine
stackoverflow.com
5
Fisher's score function has mean zero - what does that even mean?
stats.stackexchange.com
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