May 28, 2021 · I have recently come across the code |> in R. It is a vertical line character (pipe) followed by a greater than symbol. Here is an example: mtcars |> head() What is the |> …

Nov 25, 2014 · I have seen the use of %>% (percent greater than percent) function in some packages like dplyr and rvest. What does it mean? Is it a way to write closure blocks in R?

The infix operator %>% is not part of base R, but is in fact defined by the package magrittr (CRAN) and is heavily used by dplyr (CRAN). It works like a pipe, hence the reference to …

A carriage return (\r) makes the cursor jump to the first column (begin of the line) while the newline (\n) jumps to the next line and might also to the beginning of that line.

R provides two different methods for accessing the elements of a list or data.frame: [] and [[]]. What is the difference between the two, and when should I use one over the other?

For Boolean values there’s no difference between bitwise and logical operations; but for arbitrary integers, the result differs. For instance, 1 | 2 == 3 in most programming languages. However, …

‘&’ and ‘&&’ indicate logical AND and ‘|’ and ‘||’ indicate logical OR. The shorter form performs elementwise comparisons in much the same way as arithmetic operators. The longer form …

8 I created a question 'What is the calculation behind the %*% operator in R?' which was marked as a duplicate of this question. The %*% operator is used to multiply two matrices.

Jan 6, 2016 · What’s the difference between \n (newline) and \r (carriage return)? In particular, are there any practical differences between \n and \r? Are there places where one should be used …

2 days ago · Copying and pasting R code lines with a grepl command in the R terminal to identify rows with a special pattern in one column gives correct results. The identified rows are then …