Feature Selection

Endpoint: POST /feature-selection

Request Parameters

File Upload

• file (required): The file to be processed. Supported formats include CSV.

Form Parameters

• method (required): The feature selection method to apply. Supported values:
  • variance_threshold: Removes features with variance below a specified threshold.
  • pearson_correlation: Removes features with a Pearson correlation coefficient below a given threshold.
  • spearman_correlation: Removes features with a Spearman correlation coefficient below a given threshold.
  • chi2: Selects features based on the Chi-square statistical test.
  • anova: Selects features using an ANOVA F-test.
• target_column (optional): The target column for correlation or statistical tests (required for Pearson, Spearman, Chi2, and ANOVA).
• variance_threshold (optional): Minimum variance threshold for variance_threshold method. Default is 0.0.
• correlation_threshold (optional): Minimum correlation threshold for Pearson and Spearman methods. Default is 0.9.
• p_value_threshold (optional): Maximum p-value threshold for Chi2 and ANOVA methods. Default is 0.05.

Example Request

curl -X POST "http://localhost:8000/feature-selection" \
-F "file=@data.csv" \
-F "method=pearson_correlation" \
-F "target_column=Outcome" \
-F "correlation_threshold=0.8"