user avatar
user avatar
user avatar
irene
  • Member for 4 years, 1 month
  • Last seen more than a month ago
75 votes
3 answers
76k views

One-hot vs dummy encoding in Scikit-learn

  • 1,735
69 votes
8 answers
53k views

Is PCA followed by a rotation (such as varimax) still PCA?

56 votes
3 answers
112k views

Logistic Regression: Scikit Learn vs Statsmodels

  • 873
25 votes
6 answers
16k views

Interpreting the difference between lognormal and power law distribution (network degree distribution)

  • 361
23 votes
3 answers
35k views

Should feature selection be performed only on training data (or all data)?

  • 233
17 votes
3 answers
7k views

Logistic Regression: Scikit Learn vs glmnet

  • 873
13 votes
2 answers
5k views

Departure from normality assumption in ANOVA: is kurtosis or skewness more important?

  • 1,606
13 votes
2 answers
21k views

Best practices for coding categorical features for Decision Trees?

9 votes
1 answer
7k views

Using varimax-rotated PCA components as predictors in linear regression

9 votes
1 answer
15k views

How to include an interaction term in a random forest model

8 votes
6 answers
11k views

Is using the same data for feature selection and cross-validation biased or not?

  • 1,215
2 votes
1 answer
6k views

How do I calculate KL-divergence between two multidimensional distributions? [closed]