context("Testing grab coefficients.")
library(palmerpenguins)
data(penguins)
fit <- lm(bill_length_mm ~ ., data = penguins[, -8])
coefs <- round(as.vector(grab_coeffs(fit)))
expect_equal(coefs, c(15, 10, 6, -1, 0, 0, 0, 0, 2))
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