Automatically detect variables from an Mplus model object

Source: R/mplus.R

This is a function to automatically detect the variables used in an Mplus model object.

detectVariables(object, quiet = TRUE)

Arguments

object

An Mplus model object from mplusObject.#'
quiet

optional. If TRUE, show status messages in the console.

Value

A vector of variables from the R dataset to use.

See also

mplusModeler, mplusObject

Author

Joshua F. Wiley <jwiley.psych@gmail.com>

Examples


example1 <- mplusObject(MODEL = "mpg ON wt;",
  rdata = mtcars, autov = FALSE)
example1$usevariables

#> NULL
MplusAutomation:::detectVariables(example1)

#> [1] "mpg" "wt" 

example2 <- mplusObject(MODEL = "mpg ON wt;",
  rdata = mtcars, autov = TRUE)
example2$usevariables

#> [1] "mpg" "wt" 
example3 <- update(example2,
  MODEL = ~ . + "mpg ON qsec; wt WITH qsec;",
  autov = TRUE)
example3$usevariables

#> [1] "mpg" "wt" 
rm(example1, example2, example3)