mlr3 (version 0.23.0)

col_info: Column Information for Backend

Description

Collects column information for backend.

Currently, this includes:

• storage type

• levels (factor / ordered), but not for the primary key column

Usage

col_info(x, ...)
# S3 method for data.table
col_info(x, primary_key = character(), ...)
# S3 method for DataBackend
col_info(x, ...)

Arguments

x

(any)
A backend-like object for which to retrieve column information.

...

(any)
Additional arguments.

primary_key

(character())
The primary key of the backend.