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?

1 day ago · In R, lme4's function glmer uses Maximum Likelihood with quadrature optimization by default. However, I would like to fit the model with Pseudo-Likelihood instead, due to a …

R是统计领域广泛使用的诞生于1980年左右的 S语言 的一个分支，可以认为R是S语言的一种实现。 而S语言是由AT&T贝尔实验室开发的一种用来进行数据探索、统计分析和作图的 解释型语 …

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 …

What is difference in a string between \r\n, \r and \n? How is a string affected by each? I have to replace the occurrences of \r\n and \r with \n, but I cannot get how are they different in a stri...

According to the R language definition, the difference between & and && (correspondingly | and ||) is that the former is vectorized while the latter is not. According to the …

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 …

‘&’ 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 …

今年年初开始接触R语言，自学兼修课，学了一个学期，暑期在某上市互联网公司找了一份纯粹用R语言工作的的数据分析实习，现在应该可以说熟练掌握R语言了。我的学习路径如下： 名师 …