tmx_is.identified: Test if a factor model is identified

In umx: Structural Equation Modeling and Twin Modeling in R

Test if a factor model is identified

Description

Test if a factor model is identified by establishing if the number of variables is equal too or grater than the number of model parameters. See also mxCheckIdentification() for checking actual models.

Usage

tmx_is.identified(nVariables, nFactors)

Arguments

nVariables	the number of variables measured.
nFactors	the number of factors posited.

Value

• Binary

References

• https://github.com/tbates/umx, https://tbates.github.io

See Also

• mxCheckIdentification()

Other Teaching and testing Functions: tmx_genotypic_effect(), umx

Examples

tmx_is.identified(nVariables = 2, nFactors = 1) # FALSE
tmx_is.identified(nVariables = 3, nFactors = 1) # TRUE
tmx_is.identified(nVariables = 4, nFactors = 2) # FALSE
tmx_is.identified(nVariables = 5, nFactors = 2) # TRUE

umx documentation built on May 29, 2024, 5:40 a.m.