library("tidyverse")
library("here")
#> here() starts at /Users/leocollado/Dropbox/Code/jhustatcomputing
chocolate <- readRDS(here("data", "chocolate.RDS"))
## Search for Sugar while differentiating it against S* and Sa
## Aka, search only for S followed by a comma ("S,") or
## S at the end of the line (aka "S$" since "$" represents the end of the line)
table(chocolate$ingredients[
stringr::str_detect(chocolate$ingredients, "S,|S$")
])
#>
#> 2- B,S 3- B,S,C 3- B,S,L 3- B,S,V 4- B,S,C,L
#> 718 999 8 3 286
#> 4- B,S,C,Sa 4- B,S,C,V 4- B,S,V,L 5- B,S,C,L,Sa 5- B,S,C,V,L
#> 5 141 5 1 184
#> 5-B,S,C,V,Sa 6-B,S,C,V,L,Sa
#> 6 4
## To search for the * symbol we have to "escape it" via
## two backslashes
table(chocolate$ingredients[
stringr::str_detect(chocolate$ingredients, "S\\*")
])
#>
#> 2- B,S* 3- B,S*,C 3- B,S*,Sa 4- B,S*,C,L 4- B,S*,C,Sa 4- B,S*,C,V
#> 31 12 1 2 20 7
#> 4- B,S*,V,L
#> 3
## Search only for Salt
table(chocolate$ingredients[
stringr::str_detect(chocolate$ingredients, "Sa")
])
#>
#> 3- B,S*,Sa 4- B,S,C,Sa 4- B,S*,C,Sa 5- B,S,C,L,Sa 5-B,S,C,V,Sa
#> 1 5 20 1 6
#> 6-B,S,C,V,L,Sa
#> 4
options(width = 120)
sessioninfo::session_info()
#> ─ Session info ───────────────────────────────────────────────────────────────────────────────────────────────────────
#> setting value
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#> system aarch64, darwin20
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#> collate en_US.UTF-8
#> ctype en_US.UTF-8
#> tz America/New_York
#> date 2024-09-12
#> pandoc 3.2 @ /opt/homebrew/bin/ (via rmarkdown)
#>
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#> ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
Created on 2024-09-12 with reprex v2.1.1