Encoding categorical variables with lots of categories
10256
Principled way of collapsing categorical variables with many levels?
63640
Logistic regression with categorical predictors
79478
Name for categorical product inside a monoid
13863
Is it advisable to drop certain levels of a categorical variable?
76906
Penalized methods for categorical data: combining levels in a factor
36022
K-Means clustering for mixed numeric and categorical data
133468
Assign zeros to large list of indexed variables
40351
Obtain details of categories on a class at runtime?
133733
Embedding images with an encoding algorithm
49848
Label encoding vs Dummy variable/one hot encoding - correctness?
95969
How to choose the split in Random forest for categorical predictors (features)?
50993
Faithful representations and character tables
17160
How to recode categorical variable into numerical variable when using SVM or Neural Network
35219
How do I study the "correlation" between a continuous variable and a categorical variable?
54675
Reshaping several variables wide with cast
138904
Recursive feature elimination and one-hot & dummy encoding?
25535
Categorical Principal Component Analysis - using Count, Continuous, Ordinal variables together