Handling datasets with categorical variables of many levels
10256
Principled way of collapsing categorical variables with many levels?
89743
Split data.frame based on levels of a factor into new data.frames
67247
Dataset seems to break Information
132642
Categorize my data into 3 groups
7838
Coding categorical variables for regression
64327
Alternatives to Shapefiles as open-source, cross platform dataset types
11188
Can principal component analysis be applied to datasets containing a mix of continuous and categorical variables?
146238
How to deal with a data-set having all the samples with every feature-point almost similar?
144621
Dataset vs an association of associations
106186
How to analyze data with more than one associated categorical dependent variables?
130037
correlation between categorical variables
20319
How to examine the relationship between categorical variables with several levels?
69548
Simultaneously fitting multiple datasets
49907
Clustering variables based on correlations between them
78658
How to statistically prove if a column has categorical data or not using Python
118753
Is feature selection with dummy coding of categorical variables problematic?
31220
Finding predictors of upper level of a variable