tmx_is.identified {umx}

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