Remove low coverage fields

Remove low coverage fields | BigML.com

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Remove Low Coverage Fields

Details:

Created	Thu, 8 Oct 2026 15:01:06 +0000
Published	Thu, 8 Oct 2026 17:26:19 +0000

Description:

Given a dataset and a percent threshold value, this script removes all fields with counts less than that threshold.

Tags:

BigMLer BigMLer_ThuOct0826_170105

URL:

https://bigml.com/user/whizzml/gallery/script/6ac7b0326a59afed275e481e

Script FREE

Source code

(define (low-coverage dsid threshold)
  (let (ds (fetch dsid)
        size (ds "rows")
        name (ds "name")
        fields (ds "fields")
        mc (if (< threshold 1)
               (* (- 1 threshold) size)
               threshold)
        fields-to-keep (filter (lambda (id) 
                          (< (fields [id "summary" "missing_count"]) mc)) 
                        (keys fields)))
    (when (< threshold 0)
        (raise "Threshold must be non-negative."))
    (create-dataset {"origin_dataset" dsid
                     "input_fields" fields-to-keep
                     "name" (str name " - only high coverage") })))

(define filtered-dataset (low-coverage dataset threshold))

Description

Inputs

Outputs

License: Creative Commons Zero V1.0
Script FREE

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