Update 2 R has defined a |> pipe. Unlike magrittr's %>% it can only substitute into the first argument of the right hand side. Although limited, it works via syntax transformation so it has no performance impact. As of R v4.1.0, |>, is included in base-R and being advocated by the Tidyverse in place of %>% for most use cases. See R for Data ...

\r\n(CR+LF)：Windows系OS \r(CR)：古いMac OS（9以前） コンピュータ上の表現としては\n1文字で扱うのが自然ですが、もともとタイプライター由来で\r\nが利用されていたという歴史的経緯があります。（CRが印字装置を左端に戻す動作＋LFが紙を1行分スクロールする ...

@Konrad Rudolph R uses some rules/principles when designing the language and code interpretation for efficiency and usability that not saw in other languages. I believe most people who ask the difference between = and <- is curious about why R has more than one assignment operator compared with other popular Science/math language such as Python.

VSCode R: Outline view disappears after adding new section headers in R scripts Describe the bug: I use the R extension in VS Code and have been using the outline view for years (REdditorSupport). Now, the outline view when I use R in VS …

2012年3月24日 · I'm trying to get multiple summary statistics in R/S-PLUS grouped by categorical column in one shot. I found couple of functions, but all of them do one statistic per call, like aggregate(). data &...

If the process is run in say ubuntu shell (and this is not R specific), for example using: Rscript my_file.R Ctrl + c kills the process. Ctrl + z suspends the process. Within R shell, Ctrl + C kills helps you escape it

Tracks the number and type of R garbage collections per expression iteration. Verifies equality of expression results by default, to avoid accidentally benchmarking inequivalent code. Has bench::press(), which allows you to easily perform and combine benchmarks across a large grid of …

The R package data.table provides both fast and memory efficient ordering of data.tables with a straightforward syntax (a part of which Matt has highlighted quite nicely in his answer). There has been quite a lot of improvements and also a new function setorder() since then. From v1.9.5+, setorder() also works with data.frames.

2012年7月15日 · R -e 'chooseCRANmirror(graphics=FALSE, ind=87);library(rbundler);bundle()' Where 87 is the number of the mirror you would like to use. This snippet also installs the rbundle for you.

fixed=TRUE prevents R from using regular expressions, which allow more flexible pattern matching but take time to compute. If all that's needed is removing a single constant string "e", they aren't necessary. –