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Return the regressor variables contained in the formula
selectRegressor(object, ...)# S3 method for formula
selectRegressor(object, format = "call", ...)
a formula
[internal] Only used by the generic method.
[character] should an object of format call be returned (format = "call"
),
or the names of the variables (format = "vars"
)
if (FALSE) {
selectRegressor <- lavaSearch2:::selectRegressor
selectRegressor.formula <- lavaSearch2:::selectRegressor.formula
selectRegressor(Y1~X1+X2)
selectRegressor(Y1~X1+X2, format = "vars")
selectRegressor(Y1~X1+Y1)
selectRegressor(Y1+Y2~X1+Y1, format = "vars")
selectRegressor(~X1+X2)
selectRegressor(~X1+X2, format = "vars")
}
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