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Ben
  • Member for 11 years, 2 months
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Founder of Practice Probs - a platform for learning programming via fun challenge problems.

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Top posts
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question
46
How to deal with hierarchical / nested data in machine learning
Jun 30, 2016
question
22
How to smooth data and force monotonicity
Feb 19, 2016
question
13
Optimizing a Support Vector Machine with Quadratic Programming
Nov 3, 2015
question
12
rpart complexity parameter confusion
Aug 25, 2014
question
9
How are CP (Cost Complexity) values calculated in RPART (or decision trees in general)
Aug 25, 2014
question
9
How to estimate discrete probability distribution from a dataset of pairwise frequencies?
Jun 30, 2021
answer
8
Optimizing a Support Vector Machine with Quadratic Programming
Nov 4, 2015
question
7
How to properly do stacking/meta ensembling with cross validation
Oct 10, 2016
question
6
Decision Tree - Splitting Factor Variables
Apr 21, 2014
answer
6
Scikit predict_proba output interpretation
Nov 3, 2015
Top network posts
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272
How do I make a list of data frames?
110
How to find pg_config path
100
Why use as.factor() instead of just factor()
73
Strings in a DataFrame, but dtype is object
70
How do I name the "row names" column in r