Last updated: 2020-10-25
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|Rmd||d9de836||sciencificity||2020-10-13||added more content Ch 3|
|Rmd||ae71e8e||sciencificity||2020-10-10||added Ch 4 section|
Here are a few of my tips and tricks for improving my programming efficiency in R and RStudio which I use as an IDE.
<Disclaimer: I use a Windows PC>
I also tend to do two things:
File -> New Project ...)
File -> New File -> R Markdown ...).
Some of the shortcuts below may seem foreign, I suggest checking out the ones that seem useful to you, and coming back once you’re further along in the book 💪.
Ctrl + Shift + M to insert the pipe operator.
Ctrl + Shift + / to reflow a long comment.
Ctrl + Alt + i to create a new code chunk in an RMarkdown document.
Add four dashes
---- to create a new outline element for easy navigation.
In Tools -> Global Options -> Code you will find a list of code snippets.
Ctrl + Up Arrow in the console shows you a list of your previous commands.
Extract Function allows you to turn code into a function.
Ctrl + Shift + Alt + M allows you to rename a variable in scope.
To open the Shortcuts menu hold down Alt + Shift + K
The RStudio IDE has updates as time passes. Check out here for the one I looked at.
You can do a search in Google for
R version 3.6.3 (2020-02-29) Platform: x86_64-w64-mingw32/x64 (64-bit) Running under: Windows 10 x64 (build 18363) Matrix products: default locale:  LC_COLLATE=English_South Africa.1252 LC_CTYPE=English_South Africa.1252  LC_MONETARY=English_South Africa.1252 LC_NUMERIC=C  LC_TIME=English_South Africa.1252 attached base packages:  stats graphics grDevices utils datasets methods base other attached packages:  emo_0.0.0.9000 workflowr_1.6.2 loaded via a namespace (and not attached):  Rcpp_126.96.36.199 knitr_1.28 whisker_0.4 magrittr_1.5  R6_2.4.1 rlang_0.4.7 stringr_1.4.0 tools_3.6.3  xfun_0.13 git2r_0.26.1 htmltools_0.5.0 yaml_2.2.1  digest_0.6.25 rprojroot_1.3-2 assertthat_0.2.1 crayon_1.3.4  purrr_0.3.4 later_1.0.0 promises_1.1.0 fs_1.4.1  glue_1.4.1 evaluate_0.14 rmarkdown_2.4 stringi_1.4.6  compiler_3.6.3 generics_0.0.2 backports_1.1.6 lubridate_1.7.8  httpuv_1.5.2
Ctrl + Shift + Cto comment out selected code.