I'm trying to format a kable that includes the permyriad sign "‱". Permyriad means 1 out of every 10,000, so 1‱ = 0.01%.

I can get it to work with the special character σ, as in the screenshot and code below. Looking for a way to replace "σ" replaced with "‱".

I am pretty sure that there exists a magical combination of the three variables what_should_this_be, should_i_escape_or_not, and id_like_to_use_booktabs that will do the trick.

I'm doing this within RStudio using the tinytex package.

Here's what I've attempted so far:

1. The exact value for the variable what_should_this_be that results in knitting the ‱ sign in the final pdf. The Unicode value for "‱" is U+2031.

   Values I've tried:

   • Combinations of "\textperthousand" with varying numbers of escapes, with and without brackets, with and without opening & closing $
   • Copy-pasting the ‱ symbol directly with varying numbers of escapes
   • "\U2031" with varying numbers of escapes

2. Various combinations with should_i_escape_or_not set to TRUE or FALSE.

3. I'd like to use booktabs... but that might be asking a bit much, so I've tried various combinations setting id_like_to_use_booktabs to TRUE or FALSE.

4. Various combinations of setting the "Typeset LaTeX into PDF using:" option in RStudio > Tools > Sweave

 {r, echo = FALSE} library(magrittr) what_should_this_be <- "$\\sigma$" should_escape_or_not <- FALSE id_like_to_use_booktabs <- TRUE knitr::kable( head(mtcars) %>% dplyr::select(mpg) %>% tibble::rownames_to_column("car") %>% dplyr::mutate(mpg = paste0(mpg, what_should_this_be)), align = "cc", escape = should_escape_or_not, booktabs = id_like_to_use_booktabs, caption = "Works with character $\\sigma$, but what about permyriad?" ) 

1 Answer

Could use the textcomp package and \textpertenthousand

---
output: pdf_document: latex_engine: xelatex
header-includes: - \usepackage{textcomp}
---
{r, echo = FALSE} library(magrittr) what_should_this_be <- "\\textpertenthousand" knitr::kable( head(mtcars) %>% dplyr::select(mpg) %>% tibble::rownames_to_column("car") %>% dplyr::mutate(mpg = paste0(mpg, what_should_this_be)), align = "cc", escape = F, booktabs = T, caption = "Works with character $\\sigma$, but what about permyriad?" )

0

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