Extract terms object from an ivreg2 model

Extract terms object from an ivreg2 model

Usage

# S3 method for class 'ivreg2'
terms(x, component = c("regressors", "instruments", "full"), ...)

Arguments

x

An object of class "ivreg2".

component

Character: which terms object to return. "regressors" (default) returns terms for all regressors (exogenous + endogenous); "instruments" returns terms for excluded instruments (NULL for OLS); "full" returns terms for the complete formula.

...

Additional arguments (ignored).

Value

A terms object, or NULL if component = "instruments" for an OLS model.

See also

ivreg2()

Other ivreg2 methods: coef.ivreg2(), confint.ivreg2(), diagnostics(), first_stage(), fitted.ivreg2(), formula.ivreg2(), ivreg2(), model.matrix.ivreg2(), nobs.ivreg2(), predict.ivreg2(), print.ivreg2(), print.summary.ivreg2(), residuals.ivreg2(), summary.ivreg2(), update.ivreg2(), vcov.ivreg2()