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crunch (version 1.27.0)

rowDistinct: Create variables useful for determining whether a row's values are suspicious

Description

rowDistinct() finds the number of unique values given per row of variables in an array CrunchVariable. straightlineResponse() returns a selection variable that indicates whether the responses are identical. When a row has all columns that are missing of the same type, it will return Selected, but will missing if any other number of values is missing (or there are multiple types of missing).

Usage

rowDistinct(x, ..., na.rm = TRUE)

straightlineResponse(x, ...)

Arguments

x

A CrunchVariablethat is an an array, that unique values should be counted across.

...

Optional attributes, like name, to set on the new variable (passed to VarDef())

na.rm

Whether to count missing data as a separate category (all missing categories will be lumped together)

Value

A Variable Definition, which can be used to create a new CrunchVariable