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Instrument Names for Parsed IV Formula

Source: R/iv_parse.R
iv_inst_names.Rd

Returns the instrument-matrix column order used internally.

Usage

iv_inst_names(formula, data)

Arguments

formula

IV formula y ~ X | Z.

data

Data frame.

Value

Character vector of instrument names.

Examples

d <- data.frame(y = 1:4, x = 1:4, z = 4:1)
iv_inst_names(y ~ x | z, d)
#> [1] "(Intercept)" "z"