remove_instances_without_measures: Remove instances without measures

In rolap: Obtaining Star Databases from Flat Tables

Remove instances without measures

Description

Delete instances that have all measures undefined.

Usage

remove_instances_without_measures(ft)

## S3 method for class 'flat_table'
remove_instances_without_measures(ft)

Arguments

ft	A flat_table object.

Value

A flat_table object.

See Also

flat_table

Other flat table transformation functions: add_custom_column(), replace_empty_values(), replace_string(), replace_unknown_values(), select_attributes(), select_instances(), select_instances_by_comparison(), select_measures(), separate_measures(), transform_attribute_format(), transform_from_values(), transform_to_attribute(), transform_to_measure(), transform_to_values()

Examples

ft <- flat_table('iris', iris) |>
  remove_instances_without_measures()

rolap documentation built on June 8, 2025, 10:23 a.m.