betas <- function(predictors, broom_coefs) {
broom_coefs <- broom_coefs %>%
dplyr::mutate(p.value = as.numeric(as.character(p.value))) %>%
dplyr::mutate(term = stringr::str_replace_all(term, "`", "")) %>%
dplyr::mutate(term = stringr::str_replace_all(term, c("poly\\(" = "", " , " = " ", " = [0-9]{1}\\)" = "")))
intercept_coef <- broom_coefs %>%
dplyr::filter(term == "(Intercept)") %>%
dplyr::rename(factor = term) %>%
dplyr::mutate(actual_level = "(Intercept)") %>%
dplyr::select(
factor, actual_level, estimate, std_error = `std.error`, statistic, p_value = `p.value`
)
tidy_coefs <- broom_coefs %>%
dplyr::filter(term != "(Intercept)") %>%
tidyr::separate(term, into = c("factor", "actual_level"), sep = " ") %>%
dplyr::select(
factor, actual_level, estimate, std_error = `std.error`, statistic, p_value = `p.value`
)
rbind(intercept_coef, tidy_coefs) %>%
dplyr::select(
factor, actual_level, estimate, std_error
) %>%
dplyr::mutate(std_error_pct = paste0(round(abs(100 * std_error / estimate)), "%"))
}
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