These pieces of code are called Code chunks. How to generally format tables (font, size, color. Sepal.Length = cell_spec(Sepal.Length, color = ifelse(Sepal.The main advantage of using Rmarkdown is that you can include in your document pieces of code that might or might not be evaluated by R. In this post, I will show you some of my best practises for formatting tables in R Markdown. This is a pretty common task in reports: For example coloring values % Head(iris)%>%Ĭolumn_spec(1, bold = TRUE, border_right = TRUE, color = "black", background = "lightgrey") %>%Īt this point you may be wondering: Can I set colors automatically? Yes, of course you can. R studio encourages best practices by creating a project folder that contains all project documents and implementing a version of markdown called R Markdown. For example, suppose I want to print out the first 4 rows of. The first and the 6th row have Sepal.Length > 5! We should color the entire row red! library(kableExtra) One way to print a table is to just print in in R and have the table presented in the code chunk. Kable_styling(position = "left", full_width = FALSE) %>%Ĭolumn_spec(1, bold = TRUE, border_right = TRUE, color = "black", background = "lightgrey") So let's make the first column bold, add a right border, color the text black and the background grey. Then you can pass formating arguments such as bold = TRUE, color = "black" or background ="grey". You can create table using vertical bars ( ) and hyphens ( - ). The first argument is the index of the rows or columns you want to format. You can format specific rows and columns with column_spec() or row_spec(). Enter the table data into the table: Adjust text alignment and table borders using the options from. Kable_styling(font_size = 20, position = "left", full_width = FALSE) Using the Table menu set the desired size of the table. Highlight more advanced customization of tables using the kableExtra package (Zhu 2024). To create and manage flextable objects, we first pass the data frame through the flextable() function. Let's increase the font size and position the table on the left. Show all features of the table-generating function knitr::kable(). To wrap text around the table use position = "float_right". You can pass various arguments to kable_styling to influence the font and the position of the table. One of the neat tools available via a variety of packages in R is the creation of beautiful tables using data frames stored in R. It works similar to ggplot2: You create a base table and then add formating layers with the pipe operator %>%. KableExtra is an awesome package that allows you to format and style your tables.
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