checkAlias {RCM} | R Documentation

## Check for alias structures in a dataframe, and throw an error when one is found

### Description

Check for alias structures in a dataframe, and throw an error when one is found

### Usage

    checkAlias(datFrame, covariatesNames)

### Arguments

`datFrame` | the data frame to be checked for alias structure
`covariatesNames` | The names of the variables to be considered

### Value

Throws an error when an alias structure is detected, returns invisible otherwise

### Examples

    #Make a dataframe with aliased variables
    df = data.frame(foo = rnorm(10), baa = rep(c(TRUE, FALSE), each = 5),
    foo2 = factor(rep(c("male", "female"), each = 5)))
    checkAlias(df, c("foo", "baa"))
    #Check test files for the error being thrown

[Package RCM version 1.6.0 Index]