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@njtierney
Created September 13, 2022 06:09
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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)
#> 
#> ─ Packages ───────────────────────────────────────────────────────────────────
#>  package       * version    date (UTC) lib source
#>  assertthat      0.2.1      2019-03-21 [1] CRAN (R 4.2.0)
#>  backports       1.4.1      2021-12-13 [1] CRAN (R 4.2.0)
#>  broom           1.0.0      2022-07-01 [1] CRAN (R 4.2.0)
#>  cachem          1.0.6      2021-08-19 [1] CRAN (R 4.2.0)
#>  cellranger      1.1.0      2016-07-27 [1] CRAN (R 4.2.0)
#>  cli             3.3.0.9000 2022-06-15 [1] Github (r-lib/cli@31a5db5)
#>  colorspace      2.0-3      2022-02-21 [1] CRAN (R 4.2.0)
#>  crayon          1.5.1      2022-03-26 [1] CRAN (R 4.2.0)
#>  curl            4.3.2      2021-06-23 [1] CRAN (R 4.2.0)
#>  DBI             1.1.3      2022-06-18 [1] CRAN (R 4.2.0)
#>  dbplyr          2.2.1      2022-06-27 [1] CRAN (R 4.2.0)
#>  digest          0.6.29     2021-12-01 [1] CRAN (R 4.2.0)
#>  dplyr         * 1.0.9      2022-04-28 [1] CRAN (R 4.2.0)
#>  ellipsis        0.3.2      2021-04-29 [1] CRAN (R 4.2.0)
#>  evaluate        0.16       2022-08-09 [1] CRAN (R 4.2.0)
#>  fansi           1.0.3      2022-03-24 [1] CRAN (R 4.2.0)
#>  farver          2.1.1      2022-07-06 [1] CRAN (R 4.2.0)
#>  fastmap         1.1.0      2021-01-25 [1] CRAN (R 4.2.0)
#>  forcats       * 0.5.1      2021-01-27 [1] CRAN (R 4.2.0)
#>  fs              1.5.2      2021-12-08 [1] CRAN (R 4.2.0)
#>  gargle          1.2.0      2021-07-02 [1] CRAN (R 4.2.0)
#>  generics        0.1.3      2022-07-05 [1] CRAN (R 4.2.0)
#>  ggplot2       * 3.3.6      2022-05-03 [1] CRAN (R 4.2.0)
#>  glue            1.6.2      2022-02-24 [1] CRAN (R 4.2.0)
#>  googledrive     2.0.0      2021-07-08 [1] CRAN (R 4.2.0)
#>  googlesheets4   1.0.1      2022-08-13 [1] CRAN (R 4.2.0)
#>  gtable          0.3.0      2019-03-25 [1] CRAN (R 4.2.0)
#>  haven           2.5.0      2022-04-15 [1] CRAN (R 4.2.0)
#>  highr           0.9        2021-04-16 [1] CRAN (R 4.2.0)
#>  hms             1.1.1      2021-09-26 [1] CRAN (R 4.2.0)
#>  htmltools       0.5.3      2022-07-18 [1] CRAN (R 4.2.0)
#>  httr            1.4.3      2022-05-04 [1] CRAN (R 4.2.0)
#>  jsonlite        1.8.0      2022-02-22 [1] CRAN (R 4.2.0)
#>  knitr           1.40       2022-08-24 [1] CRAN (R 4.2.0)
#>  labeling        0.4.2      2020-10-20 [1] CRAN (R 4.2.0)
#>  lifecycle       1.0.1      2021-09-24 [1] CRAN (R 4.2.0)
#>  lubridate     * 1.8.0      2021-10-07 [1] CRAN (R 4.2.0)
#>  magrittr        2.0.3      2022-03-30 [1] CRAN (R 4.2.0)
#>  memoise         2.0.1      2021-11-26 [1] CRAN (R 4.2.0)
#>  mime            0.12       2021-09-28 [1] CRAN (R 4.2.0)
#>  modelr          0.1.8      2020-05-19 [1] CRAN (R 4.2.0)
#>  munsell         0.5.0      2018-06-12 [1] CRAN (R 4.2.0)
#>  pillar          1.8.0      2022-07-18 [1] CRAN (R 4.2.0)
#>  pkgconfig       2.0.3      2019-09-22 [1] CRAN (R 4.2.0)
#>  polite        * 0.1.2      2022-08-09 [1] CRAN (R 4.2.0)
#>  purrr         * 0.3.4      2020-04-17 [1] CRAN (R 4.2.0)
#>  R.cache         0.16.0     2022-07-21 [1] CRAN (R 4.2.0)
#>  R.methodsS3     1.8.2      2022-06-13 [1] CRAN (R 4.2.0)
#>  R.oo            1.25.0     2022-06-12 [1] CRAN (R 4.2.0)
#>  R.utils         2.12.0     2022-06-28 [1] CRAN (R 4.2.0)
#>  R6              2.5.1      2021-08-19 [1] CRAN (R 4.2.0)
#>  ratelimitr      0.4.1      2018-10-07 [1] CRAN (R 4.2.0)
#>  Rcpp            1.0.9      2022-07-08 [1] CRAN (R 4.2.0)
#>  readr         * 2.1.2      2022-01-30 [1] CRAN (R 4.2.0)
#>  readxl          1.4.0      2022-03-28 [1] CRAN (R 4.2.0)
#>  reprex          2.0.1      2021-08-05 [1] CRAN (R 4.2.0)
#>  rlang           1.0.4      2022-07-12 [1] CRAN (R 4.2.0)
#>  rmarkdown       2.14       2022-04-25 [1] CRAN (R 4.2.0)
#>  robotstxt       0.7.13     2020-09-03 [1] CRAN (R 4.2.0)
#>  rstudioapi      0.13       2020-11-12 [1] CRAN (R 4.2.0)
#>  rvest         * 1.0.2      2021-10-16 [1] CRAN (R 4.2.0)
#>  scales          1.2.0      2022-04-13 [1] CRAN (R 4.2.0)
#>  sessioninfo     1.2.2      2021-12-06 [1] CRAN (R 4.2.0)
#>  spiderbar       0.2.4      2021-05-16 [1] CRAN (R 4.2.0)
#>  stringi         1.7.8      2022-07-11 [1] CRAN (R 4.2.0)
#>  stringr       * 1.4.0      2019-02-10 [1] CRAN (R 4.2.0)
#>  styler          1.7.0      2022-03-13 [1] CRAN (R 4.2.0)
#>  tibble        * 3.1.8      2022-07-22 [1] CRAN (R 4.2.0)
#>  tidyr         * 1.2.0      2022-02-01 [1] CRAN (R 4.2.0)
#>  tidyselect      1.1.2      2022-02-21 [1] CRAN (R 4.2.0)
#>  tidyverse     * 1.3.2      2022-07-18 [1] CRAN (R 4.2.0)
#>  tzdb            0.3.0      2022-03-28 [1] CRAN (R 4.2.0)
#>  usethis         2.1.6      2022-05-25 [1] CRAN (R 4.2.0)
#>  utf8            1.2.2      2021-07-24 [1] CRAN (R 4.2.0)
#>  vctrs           0.4.1      2022-04-13 [1] CRAN (R 4.2.0)
#>  withr           2.5.0      2022-03-03 [1] CRAN (R 4.2.0)
#>  xfun            0.32.1     2022-08-11 [1] https://yihui.r-universe.dev (R 4.2.0)
#>  xml2            1.3.3      2021-11-30 [1] CRAN (R 4.2.0)
#>  yaml            2.3.5      2022-02-21 [1] CRAN (R 4.2.0)
#> 
#>  [1] /Library/Frameworks/R.framework/Versions/4.2-arm64/Resources/library
#> 
#> ──────────────────────────────────────────────────────────────────────────────
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