28 Beal 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 |> …

25 Samh 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?

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.

It's a matrix multiplication operator! From the documentation: Description: Multiplies two matrices, if they are conformable. If one argument is a vector, it will be promoted to either a …

19 Samh 2009 · 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 …

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 Magritte's …

R's syntax contains many ambiguous cases that have to be resolved one way or another. The parser chooses to resolve the bits of the expression in different orders depending on whether = …

‘&’ 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 …

27 Ean 2015 · What is the difference between = and == in R? Asked 10 years, 10 months ago Modified 3 years, 1 month ago Viewed 67k times

r绝对值越大表示2个变量间的线性相关程度越高。 线性回归中的 R 2 是决定系数，表示自变量（可能有多个）对因变量的解释程度，可以理解为因变量y的波动（变异）有多少比例可以由自变量 …