packages <- c("tidyverse", "gapminder", "fst", "viridis", "ggridges", "modelsummary")
new_packages <- packages[!(packages %in% installed.packages()[,"Package"])]
if(length(new_packages)) install.packages(new_packages)
lapply(packages, library, character.only = TRUE)
## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ──
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## ✖ dplyr::filter() masks stats::filter()
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## ℹ Use the conflicted package (<http://conflicted.r-lib.org/>) to force all conflicts to become errors
## Loading required package: viridisLite
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## `modelsummary` 2.0.0 now uses `tinytable` as its default table-drawing
## backend. Learn more at: https://vincentarelbundock.github.io/tinytable/
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## Revert to `kableExtra` for one session:
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## options(modelsummary_factory_default = 'kableExtra')
## options(modelsummary_factory_latex = 'kableExtra')
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## Silence this message forever:
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## config_modelsummary(startup_message = FALSE)
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data(gapminder)
head(gapminder)
## # A tibble: 6 × 6
## country continent year lifeExp pop gdpPercap
## <fct> <fct> <int> <dbl> <int> <dbl>
## 1 Afghanistan Asia 1952 28.8 8425333 779.
## 2 Afghanistan Asia 1957 30.3 9240934 821.
## 3 Afghanistan Asia 1962 32.0 10267083 853.
## 4 Afghanistan Asia 1967 34.0 11537966 836.
## 5 Afghanistan Asia 1972 36.1 13079460 740.
## 6 Afghanistan Asia 1977 38.4 14880372 786.
names(gapminder)
## [1] "country" "continent" "year" "lifeExp" "pop" "gdpPercap"
ggplot(gapminder, aes(x = gdpPercap)) +
geom_histogram(binwidth = 10, fill = "darkgreen", color = "black", alpha = 0.3) +
labs(title = "Histogram of GDP per capita",
x = "GDP per capita", y = "Count") +
theme_minimal()
summary(gapminder$gdpPercap)
## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 241.2 1202.1 3531.8 7215.3 9325.5 113523.1
The descriptive statistic GDP per capita has a minimum of 241.2 and a maximum of 113523.1, with an enormous range. The mean is 7215.3 and the median is 3531.8, because of the large difference between mean and median, we can tell that large numbers have influence mean to be bigger.
print("I did it!")
## [1] "I did it!"