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Trying to knit an Rmarkdown document to PDF from another R script. When I use the Rstudio interface, and hit Knit to PDF, it works perfectly fine and generates the PDF. But when I use the rmarkdown::render command, it gives me an error:

Markdown:

--- geometry: margin=0.75in output: pdf_document: default params: set_title: value: "Sample" editor_options: chunk_output_type: console header-includes: \usepackage{fancyhdr} \usepackage{graphicx} --- --- title: `r params$set_title` --- ```{r load_libraries, include=FALSE, echo=FALSE} suppressPackageStartupMessages({ library(knitr) library(tidyverse) library(kableExtra) }) ``` \addtolength{\headheight}{2.0cm} \fancypagestyle{plain}{} \pagestyle{fancy} \renewcommand{\headrulewidth}{0pt} ```{r set_options, include = FALSE, echo = FALSE, warning = FALSE} knitr::opts_chunk$set(comment = NA) `%>%` <- dplyr::`%>%` ``` # 1. Table ```{r, echo = FALSE, message = FALSE, warning = FALSE} # sample data frame df <- data.frame(x = c("a", "b", "c"), y = c("a", "b", "c")) # print table kableExtra::kable(df, booktabs = T) %>% kable_styling(full_width = TRUE, font_size = 8) %>% row_spec(0, bold = T) %>% column_spec(1, width = "1cm") %>% column_spec(2, width = "2cm") ``` 

This is how I am running it:

rmarkdown::render(input = "~/Projects/test.Rmd", params = list(set_title = "TEMP"), output_dir = "~/Desktop/", output_file = "test.pdf") 

Error:

! LaTeX Error: Environment tabu undefined. Error: LaTeX failed to compile /Users/rathik/Projects/test.tex. See https://yihui.org/tinytex/r/#debugging for debugging tips. See test.log for more info. 

The error is due to using kableExtra::kable because when I remove that function call, the error goes away. Any ideas how to resolve it?

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    Make sure LaTeX package tabu is loaded. You can load extra LaTeX dependencies via a statement in your yaml header. Commented Nov 2, 2022 at 15:27

1 Answer 1

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Thank you @Dirk, based on your suggestion and the LaTeX documentation, I added the following in the header and it seems to be working as expected:

\usepackage{booktabs} \usepackage{longtable} \usepackage{array} \usepackage{multirow} \usepackage{wrapfig} \usepackage{float} \usepackage{colortbl} \usepackage{pdflscape} \usepackage{tabu} \usepackage{threeparttable} \usepackage{threeparttablex} \usepackage[normalem]{ulem} \usepackage{makecell} \usepackage{xcolor} 
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