## ----include=FALSE------------------------------------------------------------
knitr::opts_chunk$set(collapse = TRUE, comment = "#>")

colorize_text <- function(x, color) {
  if (knitr::is_latex_output()) {
    sprintf("\\textcolor{%s}{%s}", color, x)
  } else if (knitr::is_html_output()) {
    sprintf("<span style='color: %s;'>%s</span>", color, x)
  } else {
    x
  }
}

## -----------------------------------------------------------------------------
library(equatiomatic)
data("penguins", package = "equatiomatic")
slr <- lm(bill_length_mm ~ body_mass_g, data = penguins)

## -----------------------------------------------------------------------------
extract_eq(slr,
  var_colors = c(
    bill_length_mm = "cornflowerblue",
    body_mass_g    = "firebrick"
  )
)

## -----------------------------------------------------------------------------
extract_eq(slr,
  var_colors = c(
    bill_length_mm = "cornflowerblue",
    body_mass_g    = "firebrick"),
  greek_colors = c(
    "#3bd100", rep("black", 2)
  )
)

## -----------------------------------------------------------------------------
greek_col <- c("#1b9e77", "#d95f02", "#7570b3")

extract_eq(slr, 
  var_colors = c(
    bill_length_mm = "cornflowerblue",
    body_mass_g    = "firebrick"),
  greek_colors = greek_col
)

## -----------------------------------------------------------------------------
m_interaction <- lm(bill_length_mm ~ body_mass_g * flipper_length_mm,
  data = penguins)

extract_eq(m_interaction,
  var_colors = c(
    body_mass_g       = "#ffa91f",
    flipper_length_mm = "#00d1ab"),
  greek_colors = c(
    "black", "#3A21B3", "#58A1D9", "#FF7582", "black"),
  wrap = TRUE, terms_per_line = 3
)

## -----------------------------------------------------------------------------
extract_eq(m_interaction,
  var_colors = c(
    body_mass_g       = "#ffa91f",
    flipper_length_mm = "#00d1ab"),
  greek_colors = c(
    "black", "#3A21B3", "#58A1D9", "#FF7582", "black"),
  subscript_colors = c(
     NA_character_, "#3A21B3", "#58A1D9", "#FF7582", NA_character_),
  wrap = TRUE, terms_per_line = 3
)

## -----------------------------------------------------------------------------
m_categorical <- lm(bill_length_mm ~ species + island, data = penguins)

extract_eq(m_categorical,
  var_colors = c(
    species = "#FB2C4B",
    island  = "#643B77"),
  var_subscript_colors = c(
    species = "#0274B2",
    island  = "#FBA640")
)

## -----------------------------------------------------------------------------
extract_eq(m_interaction,
  swap_var_names = c(
    "bill_length_mm"    = "Bill Length [mm]",
    "body_mass_g"       = "Body Mass [g])",
    "flipper_length_mm" = "Flipper Length [mm]"),
  var_colors = c(
    flipper_length_mm   = "firebrick",
    body_mass_g         = "cornflowerblue"),
  wrap = TRUE, terms_per_line = 3
)

## -----------------------------------------------------------------------------
extract_eq(m_categorical,
  swap_var_names = c(
    "bill_length_mm" = "Bill Length [mm]",
    "species"        = "Species",
    "island"         = "Island"),
  swap_subscript_names = c(
    Chinstrap        = "little buddy",
    Gentoo           = "happy feet"),
  var_colors = c(
    species          = "#FB2C4B",
    island           = "#643B77"),
  var_subscript_colors = c(
    species          = "#0274B2",
    island           = "#FBA640"),
  wrap = TRUE, terms_per_line = 3
)

## ----eval=FALSE---------------------------------------------------------------
# create_eq(m_categorical) |>
#   swap_var_names(
#     "bill_length_mm" = "Bill Length [mm]",
#     "species"        = "Species",
#     "island"         = "Island"
#   ) |>
#   swap_subscript_names(
#     Chinstrap        = "little buddy",
#     Gentoo           = "happy feet"
#   ) |>
#   colorize_variables(
#     species          = "#FB2C4B",
#     island           = "#643B77"
#   ) |>
#   colorize_variable_subscripts(
#     species          = "#0274B2",
#     island           = "#FBA640"
#   ) |>
#   wrap(terms_per_line = 3)