ddo-ddf-attributes: Managing attributes of 'ddo' or 'ddf' objects

In datadr: Divide and Recombine for Large, Complex Data

Description

These are called internally in various datadr functions. They are not meant for use outside of there, but are exported for convenience, and can be useful for better understanding ddo/ddf objects.

Usage

setAttributes(obj, attrs)

## S3 method for class 'ddf'
setAttributes(obj, attrs)

## S3 method for class 'ddo'
setAttributes(obj, attrs)

getAttribute(obj, attrName)

getAttributes(obj, attrNames)

## S3 method for class 'ddf'
getAttributes(obj, attrNames)

## S3 method for class 'ddo'
getAttributes(obj, attrNames)

hasAttributes(obj, ...)

## S3 method for class 'ddf'
hasAttributes(obj, attrNames)

Arguments

obj	'ddo' or 'ddf' object
attrs	a named list of attributes to set
attrName	name of the attribute to get
attrNames	vector of names of the attributes to get
...	additional arguments

Examples

d <- divide(iris, by = "Species")
getAttribute(d, "keys")

datadr documentation built on May 1, 2019, 8:06 p.m.