Nothing
## ----include = FALSE------------------------------------------------
# knitr settings
knitr::opts_chunk$set(
# Code output:
warning = FALSE,
message = FALSE,
echo = TRUE,
# Figure:
out.width = "100%",
fig.width = 16 / 2.5,
fig.height = 9 / 2.5,
fig.align = "center",
fig.show = "hold",
# Etc:
collapse = TRUE,
comment = "##"
# tidy = FALSE
)
# Needed packages in vignette
library(moderndive)
library(ggplot2)
library(dplyr)
library(knitr)
library(broom)
# Needed packages internally
library(patchwork)
# Random number generator seed value
set.seed(76)
# Set ggplot defaults for rticles output:
if (!knitr::is_html_output()) {
# Grey theme:
theme_set(theme_light())
scale_colour_discrete <- ggplot2::scale_colour_viridis_d
}
# Set output width for rticles:
options(width = 70)
## -------------------------------------------------------------------
library(moderndive)
library(ggplot2)
library(dplyr)
library(knitr)
library(broom)
## ----echo=FALSE-----------------------------------------------------
evals_sample <- evals %>%
select(ID, prof_ID, score, age, bty_avg, gender, ethnicity, language, rank) %>%
sample_n(5)
## ----random-sample-courses, echo=FALSE------------------------------
evals_sample %>%
kable()
## -------------------------------------------------------------------
score_model <- lm(score ~ age, data = evals)
## -------------------------------------------------------------------
summary(score_model)
## -------------------------------------------------------------------
get_regression_table(score_model)
## -------------------------------------------------------------------
get_regression_points(score_model)
## -------------------------------------------------------------------
get_regression_summaries(score_model)
## ----interaction-model, fig.cap="Visualization of interaction model."----
# Code to visualize interaction model:
ggplot(evals, aes(x = age, y = score, color = ethnicity)) +
geom_point() +
geom_smooth(method = "lm", se = FALSE) +
labs(x = "Age", y = "Teaching score", color = "Ethnicity")
## ----parallel-slopes-model, fig.cap="Visualization of parallel slopes model."----
# Code to visualize parallel slopes model:
ggplot(evals, aes(x = age, y = score, color = ethnicity)) +
geom_point() +
geom_parallel_slopes(se = FALSE) +
labs(x = "Age", y = "Teaching score", color = "Ethnicity")
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