stringr
A fresh approach to string manipulation in R (by tidyverse)
cheatsheets
Posit Cheat Sheets - Can also be found at https://posit.co/resources/cheatsheets/. (by rstudio)
stringr | cheatsheets | |
---|---|---|
13 | 60 | |
574 | 5,612 | |
1.2% | 0.6% | |
5.7 | 7.6 | |
22 days ago | about 9 hours ago | |
R | TeX | |
GNU General Public License v3.0 or later | Creative Commons Attribution 4.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
stringr
Posts with mentions or reviews of stringr.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-01-09.
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Is there a better way to grep like this?
Perhaps str_extract_all() from stringr? (since you're already using dplyr)
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First time writing a script for automation
There are base R ways of finding strings grep(), as well as packages such as {stringer} (cheat sheet available here: https://stringr.tidyverse.org/)
- osdc-2023-assignment1
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how can i remove symbols from columns?
If you're unfamiliar with regex, it may help you review the stringr cheat sheet: https://stringr.tidyverse.org/
- Help Removing Double Quotes
- CLEANING DATA PROBLEM
- Recommendation for good reference materials on string/character operations in R
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Matching text strings
Without knowing more, it seems likely that some combination of stringr and fuzzyjoin will be what you need.
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HELP ME PLEASE!!!!
Search for info about the grepl-function and read the cheat sheet from the stringr-package, that should get you started: https://stringr.tidyverse.org/
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How to search a data table for multiple objects?
Looks like you have a misunderstanding about the right-most column. Don't think of the cell values as vectors of length=N elements, c("gene1", "gene2", ..."geneN"). Instead, think of each cell as a character string (vector of length=1), "gene 1, gene 2, ... geneN". Finding specific sequence of characters within a string is different from finding matching elements of vectors. Without changing the column, you can use regular expressions and base R string functions and/or stringr if you're more comfortable with tidyverse.
cheatsheets
Posts with mentions or reviews of cheatsheets.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-04-24.
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Tools a Data Scientist should know:
If you're an R user, stringr + its cheatsheet gets you very close to remembering what to do without needing to look further!
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JSON to PDF Magic: Harnessing LaTeX and JSON for Effortless Customization and Dynamic PDF Generation
For more information on how to use ggplot2 and create charts consult the ggplot2 official page or the ggplot2 cheat graphic.
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Best packages to learn?
I'd suggest you have a look at cheatsheets (or download them from GitHub) if you want to get to know your way around a package or set if functions, it saves you a lot of time.
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How do I make these shapes (pictured below) in ggplot?
You could use geom_hline and geom_vline, geom_abline, or geom_segment for this. (The ggplot cheat sheet is very useful for answering these kinds of questions, BTW.)
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Why does my scatter plot look like this?
I can't say for sure because I don't know what your ultimate aim is for your visualization. Check out the cheat sheet for ggplot2 here.
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Import from Excel
Finally just do your analysis. You should also should give a try and see the cheat sheet for data importing on the tidyverse package.
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[Request] How to best visualize percentages with R?
That said, when Iām trying to come up with an interesting way to visualize data, I find the ggplot cheat sheet very helpful: https://github.com/rstudio/cheatsheets/raw/main/data-visualization-2.1.pdf
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Need help with variables
Here's a cheat sheet: https://github.com/rstudio/cheatsheets/blob/main/strings.pdf
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Data manipulation in R
The cheat sheet of the stringr package should give you good overview of string manipulation/ regex in R.
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I'm trying to recreate this plot but I keep failing
I would very highly recommend that rather than trying to get started by translating an existing graph, you check out some documentation about ggplot first. If nothing else, the ggplot cheat sheet from RStudio should help explain what the component parts of the code are, and that might help you figure out what you actually want to do.
What are some alternatives?
When comparing stringr and cheatsheets you can also consider the following projects:
glue - Glue strings to data in R. Small, fast, dependency free interpreted string literals.
tidytuesday - Official repo for the #tidytuesday project
Biopython - Official git repository for Biopython (originally converted from CVS)
forcats - šššš: tools for working with categorical variables (factors)
ggplot2 - An implementation of the Grammar of Graphics in R
mostly-adequate-guide - Mostly adequate guide to FP (in javascript)
CrispRVariants
ggplot2-book - ggplot2: elegant graphics for data analysis
dplyr - dplyr: A grammar of data manipulation
mech - š¦¾ Main repository for the Mech programming language. Start here!
reveal.js - The HTML Presentation Framework