How to deal with categorical features with thousands of levels?
3989
Preprocess categorical variables with many values
119165
Sentence Classification (Categorization)
48514
Avoiding labeling features if overlapped by another layer in QGIS?
152521
How to filter features in a layer?
141448
Horizontal Probability Tree with Level Labels
51089
Cleaning up factor levels (collapsing multiple levels/labels)
108970
Cross tabulation of two categorical variables: recommended techniques
157161
Hierarchical clustering with mixed type data - what distance/similarity to use?
97130
Manually classifying graduated data outside of range in ArcGIS for Desktop?
144999
Averaging large number of raster layers using ArcGIS for Desktop?
78236
How to perform imputation of values in very large number of data points?
66601
Convert continuous numeric values to discrete categories defined by intervals
31068
How to measure correlation between categorical variable?
66215
Training a decision tree against unbalanced data
26986
Quickly reading very large tables as dataframes
156676
How to compare features and classifiers which achieve perfect accuracy?
106186
How to analyze data with more than one associated categorical dependent variables?