colnames: Return the column names of the disk.frame

In disk.frame: Larger-than-RAM Disk-Based Data Manipulation Framework

Return the column names of the disk.frame

Description

The returned column names are from the source. So if you have lazy operations then the colnames here does not reflects the results of those operations. Note: if you have expensive lazy function then this operation might take some time.

Usage

colnames(x, ...)

## S3 method for class 'disk.frame'
names(x, ...)

## S3 method for class 'disk.frame'
colnames(x, ...)

## Default S3 method:
colnames(x, ...)

Arguments

x	a disk.frame
...	not used

disk.frame documentation built on Aug. 24, 2023, 5:09 p.m.