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Select all columns of a dataframe starting with a given string prefix.

Source: R/utils.R
subs.Rd

Removes the columns that are not prefixed with 'subject_' prefixed columns from a dataframe. Useful intermediate step for extracting subject UIDs from an solutions_matrix structure.

Usage

subs(df)

Arguments

df

Dataframe

Value

df_subs Dataframe with only 'subject_' prefixed columns