rxUnique: Extracts unique values from character and factor columns in...

In RevoEnhancements/RevoEnhancements: Selected enhancements to Revolution Analytics RevoScaleR

Description

Extracts unique values from character and factor columns in xdf.

Usage

rxUnique(formula, inData = NULL, ...)

Arguments

formula	formula, as described in rxFormula. The formula typically does not contain a response variable, i.e. it should be of the form ~ terms.
inData	either a data source object, a character string specifying a '.xdf' file, or a data frame object to summarize.
...	Other arguments passed to rxDataStep

Value

list with element for each named row in the formula

See Also

Other Data mining functions: rxDiscretize; rxMoments; rxSample2Df; rxTreeDiscretize

Examples

library(RevoScaleR)
dataSource <- file.path(rxGetOption("sampleDataDir"), "CensusWorkers.xdf")
rxGetVarInfo(dataSource)
rxUnique(~sex, inData=dataSource)
rxUnique(~sex+state, inData=dataSource)
rxUnique(~state+sex, inData=dataSource)

RevoEnhancements/RevoEnhancements documentation built on May 9, 2019, 9:46 a.m.