covid_url <- "https://covidlive.com.au/report/daily-vaccinations/aus"
library(polite)
library(tidyverse)
library(rvest)
#>
#> Attaching package: 'rvest'
#> The following object is masked from 'package:readr':
#>
#> guess_encoding
library(lubridate)
#>
#> Attaching package: 'lubridate'
#> The following objects are masked from 'package:base':
#>
#> date, intersect, setdiff, union
strp_date <- function(x) as.Date(strptime(x, format = "%d %b %y"))
strp_date()
#> Error in strptime(x, format = "%d %b %y"): argument "x" is missing, with no default
strp_date(vax_raw$DATE[1])
#> Error in strptime(x, format = "%d %b %y"): object 'vax_raw' not found
strp_date(tail(vax_raw$DATE, 1))
#> Error in tail(vax_raw$DATE, 1): object 'vax_raw' not found
vax_raw <- covid_url %>%
bow() %>%
scrape() %>%
html_table() %>%
pluck(2)
vax_clean <- vax_raw %>%
mutate(
DATE = strp_date(DATE)
) %>%
mutate(
across(
c(DOSES, NET),
parse_number
)
) %>%
select(-VAR) %>%
rename_with(.fn = tolower) %>%
mutate(year = year(date),
month = month(date),
day = mday(date),
.after = date)
gg_covid_ts <- function(data){
ggplot(data,
aes(x = date,
y = doses)) +
geom_line()
}
gg_covid_ts(vax_clean) +
scale_y_continuous(
labels = scales::label_comma()
)
vax_clean %>%
filter(year == 2021,
month <= 8) %>%
gg_covid_ts() +
scale_y_continuous(
labels = scales::label_comma(),
limits = c(0, 4e7)
) +
scale_x_date(
labels = scales::label_date(format = "%b"),
breaks = scales::date_breaks(),
limits = as.Date(c("2021-02-15", "2021-12-31"))
) +
labs(
title = "Number of vaccinations in Australia in 2021",
subtitle = "Everyone wants to be home for Christmas"
) +
geom_vline(
xintercept = as.Date("2021-12-25"),
colour = "firebrick",
lty = 4
)
Created on 2022-09-13 by the reprex package (v2.0.1)
Session info
sessioninfo::session_info()
#> ─ Session info ───────────────────────────────────────────────────────────────
#> setting value
#> version R version 4.2.0 (2022-04-22)
#> os macOS Monterey 12.3.1
#> system aarch64, darwin20
#> ui X11
#> language (EN)
#> collate en_AU.UTF-8
#> ctype en_AU.UTF-8
#> tz Pacific/Auckland
#> date 2022-09-13
#> pandoc 2.18 @ /Applications/RStudio.app/Contents/MacOS/quarto/bin/tools/ (via rmarkdown)
#>
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#> ──────────────────────────────────────────────────────────────────────────────