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Create the Mplus input text for an mplusObject

Source: R/mplus.R
createSyntax.Rd

This function takes an object of class mplusObject and creates the Mplus input text corresponding to it, including data link and variable names.

Usage

createSyntax(object, filename, check = TRUE, add = FALSE, imputed = FALSE)

Arguments

object

An object of class mplusObject

filename

The name of the data file as a character vector

check

A logical indicating whether or not to run parseMplus on the created input file. Checks for errors like lines that are too long, or for missing semi-colons and gives notes.

add

A logical passed on to parseMplus whether to add semi colons to line ends. Defaults to FALSE.

imputed

A logical whether the data are multiply imputed. Defaults to FALSE.

Value

A character string containing all the text for the Mplus input file.

See also

prepareMplusData, mplusModeler

Author

Joshua F. Wiley jwiley.psych@gmail.com

Examples

# example mplusObject
example1 <- mplusObject(MODEL = "mpg ON wt;",
  usevariables = c("mpg", "hp"), rdata = mtcars)

# create the Mplus input text
cat(createSyntax(example1, "example1.dat"), file=stdout(), fill=TRUE)
#> All ok
#> DATA:
#> FILE = "example1.dat"; 
#> VARIABLE:
#> NAMES = mpg hp; 
#>  MISSING=.;
#>  
#> MODEL:
#> mpg ON wt;

# update the object, then create input text
cat(createSyntax(update(example1,
  TITLE = ~ "This is my title;",
  MODEL = ~ . + "\nmpg ON hp;",
  usevariables = c("mpg", "hp", "wt")), "example1.dat"),
  file=stdout(),
  fill=TRUE)
#> All ok
#> TITLE:
#>  This is my title;
#> DATA:
#> FILE = "example1.dat"; 
#> VARIABLE:
#> NAMES = mpg hp wt; 
#>  MISSING=.;
#>  
#> MODEL:
#> mpg ON wt;
#>  
#> mpg ON hp;
rm(example1)