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Tchotchke
  • Member for 8 years, 7 months
  • Last seen more than 3 years ago
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1
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About

Data scientist who primarily uses R, but also has experience with SAS and Python.

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28
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11
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35
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27
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5
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16
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19
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9
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29
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13
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8
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26
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Top posts
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All Questions Answers
Score Newest
answer
13
Best practices for coding categorical features for Decision Trees?
Oct 20, 2015
answer
8
Machine Learning Book (Python)
Aug 4, 2015
answer
8
Choosing complexity parameter in CART
Aug 17, 2015
answer
7
Find close pairs in very high dimensional space with sparse vectors
Sep 11, 2015
question
6
Comparing CV Predictions across Folds for Random Forest
Aug 17, 2015
answer
4
Why ROC increasing with more variable addition in logistic regression?
Aug 5, 2015
answer
4
A priori parameters to Random Forest based on n and p
Aug 14, 2015
answer
4
How to compare 2 classifers using confusion matrix?
Aug 17, 2015
answer
3
K-Fold Cross Validation for mixed-effect models: how to score them?
Aug 5, 2015
answer
3
Making a single decision tree from a random forest
Sep 14, 2015
Top network posts
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19
Variable importance with ranger
12
GBM R function: get variable importance separately for each class
11
Create a pandas dataframe of counts
11
Random Forest with bootstrap = False in scikit-learn python
10
Find name of node associated with maximum degree in igraph data frame

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