August, 2021 | R-bloggers

RStudio Voices – Julia Silge

August 11, 2021 | RStudio | Open source & professional software for data science teams on RStudio

For the first piece in our new RStudio Voices series, we decided to interview one of our open source package developers as their work defines our organization’s focus on making data science tools available to everyone. We spoke with Julia Silge, who...

[Read more...]

Well Well Well my Excel

August 11, 2021 | John MacKintosh

Importing multiple excel files (not sheets, but files) and flattening into one data frame / tibble / data.table should be straightforward - shouldn’t it? How many ways can there be? [Read more...]

Well Well Well my Excel

August 11, 2021 | HighlandR

Importing multiple excel files (not sheets, but files) and flattening into one data frame / tibble / data.table should be straightforward - shouldn’t it? How many ways can there be? What are the pros and cons of each? I’ve made three copies... [Read more...]

$GME To The Moon: How Much of an Outlier Was Gamestop’s January Rise?

August 11, 2021 | R | JLaw's R Blog

Introduction Between January 13th and January 27th, 2021 the stock price for Gamestop (GME) rose 10x from $31 to $347 dollars. This rise was in part due to increased popularity on the Reddit forum r/wallstreetbets looking to create a short squeeze and because they “liked the stock”. This rapid rise also drew ...

[Read more...]

R / Medicine 2021

August 11, 2021 | R Views

R/Medicine 2021, the premier conference for the use of R in clinical applications is less than two weeks away! This conference reflects the increasing importance of data science, computational statistics and machine learning to clinical applications, and emphasizes the effectiveness of the R language as a vehicle for making data ...

[Read more...]

ggplot: Easy as pie (charts)

August 11, 2021 | R on I Should Be Writing

This post by no means endorses the use of pie charts. But, if you must, here’s how… For some reason, the top Google results for “ggplot2 pie chart” show some very convoluted code to accomplish what should be easy: Make slices Add labels to the mid...

[Read more...]

Cutting down code in dplyr and data.table

August 11, 2021 | HighlandR

After a very long , R free hiatus (I don’t recommend it) I’m back on the R train, destination unknown. I had a bit of spare time last night, and remembered I had not done a PreppinData challenge for a while. In fact, the last one I did was ... [Read more...]

How to Calculate Cross-Correlation in R

August 11, 2021 | finnstats

How to Calculate Cross-Correlation in R, The degree of resemblance between a time series and a lagged version of another time series is measured... The post How to Calculate Cross-Correlation in R appeared first on finnstats.

[Read more...]

Reverting Git Commits

August 10, 2021 | shikokuchuo

sha256 1 010e16069f8858640c2bb9af4a2293b720161b71d9d6e1f375c30237ea2b4123 Shikokuchuo Reverting Local Git Commits You have made a commit. You discover an error / something you left out /...

[Read more...]

Old ‘Hood, New ‘Hood

August 10, 2021 | R | datawookie

I recently moved from suburban South Africa to rural England. I’m figuring out my new environment. Making some maps seemed to be a good way to get familiar with the surroundings. In the process I wanted to figure out two things: how to get maps wi...

[Read more...]

Forestplot ❤️ dplyr

August 10, 2021 | Max Gordon

Since initial publishing my forestplot package, dplyr and tidyverse have become evermore dominant in how we think about data and data management. I have therefore just published a 2.0 version that uses many of the awesome select & group features … Continue reading →

[Read more...]

Posterior predictive sampling and other post-MCMC use of samples in NIMBLE

August 10, 2021 | Chris Paciorek

(Prepared by Chris Paciorek and Sally Paganin.) Once one has samples from an MCMC, one often wants to do some post hoc manipulation of the samples. An important example is posterior predictive sampling, which is needed for posterior predictive checking. With posterior predictive sampling, we need to simulate new data ...

[Read more...]

How to Calculate Cosine Similarity in R

August 10, 2021 | finnstats

How to Calculate Cosine Similarity in R, The measure of similarity between two vectors in an inner product space is cosine similarity. The formula... The post How to Calculate Cosine Similarity in R appeared first on finnstats. [Read more...]

Exploring Relationship Between Variables | scatter-plot

August 9, 2021 | R | Fahim Ahmad

When to use scatterplot? Scatterplot using the base R functions Scatterplot using ggplot2 package When to use scatterplot? When dealing with numerical data, the most common way to graphically explore the patterns and relationships between...

[Read more...]

Adding your Hugo Academic blog to R-bloggers and Python-bloggers

August 9, 2021 | R-post on Cosima Meyer

When you have your website up and running and probably already started a little blog about data science related topics, you may want to share it with an even broader community. Here, R-bloggers and Python-bloggers are a great venue! Both websites publi... [Read more...]

Democratizing Data with R, Python, and Slack

August 9, 2021 | RStudio | Open source & professional software for data science teams on RStudio

View the R in Marketing meetup recording here. *This is a guest post by Matthias Mueller, Director of Marketing Analytics at CM Group. Matthias oversees a team of data scientists, engineers, and analysts tasked with optimizing the marketing mix, build...

[Read more...]

Adding your Hugo Academic blog to R-bloggers and Python-bloggers

August 9, 2021 | R-post | Cosima Meyer

When you have your website up and running and probably already started a little blog about data science related topics, you may want to share it with an even broader community. Here, R-bloggers and Python-bloggers are a great venue! Both websites pub...

[Read more...]

The Quickest Way to Add New Apps to ShinyProxy

August 9, 2021 | Peter Solymos

Once your ShinyProxy server is up and running, you need to maintain and update it. Last time we looked at how to update existing apps. This section explains how to add new ones hassle-free.

[Read more...]

How to Create Pareto Chart in R

August 9, 2021 | finnstats

Pareto Chart in R, A Pareto graph is a type of graph that displays the frequencies of the different categories with the cumulated frequencies of the categories. How to create a Pareto chart in R This... The post How to Create Pareto Chart in R appeared first on finnstats.

[Read more...]

A common mistake in psychology and psycholinguistic papers: Subsetting data to carry out an analysis

August 9, 2021 | Shravan Vasishth

A Common Mistake in Data Analysis (in Psychology/Linguistics): Subsetting data to carry out nested analyses (Part 1 of 2) A Common Mistake in Data Analysis (in Psychology/Linguistics): Subsetting data to carry out nested analyses (Part 1 of 2)Shravan Vasishth8/8/2021 tl;drIf you subset the data to analyze effects within one level ... [Read more...]

R-bloggers

R news and tutorials contributed by hundreds of R bloggers

August 2021

RStudio Voices – Julia Silge

Well Well Well my Excel

Well Well Well my Excel

$GME To The Moon: How Much of an Outlier Was Gamestop’s January Rise?

R / Medicine 2021

ggplot: Easy as pie (charts)

Cutting down code in dplyr and data.table

How to Calculate Cross-Correlation in R

Reverting Git Commits

Old ‘Hood, New ‘Hood

Forestplot ❤️ dplyr

Posterior predictive sampling and other post-MCMC use of samples in NIMBLE

How to Calculate Cosine Similarity in R

Exploring Relationship Between Variables | scatter-plot

Adding your Hugo Academic blog to R-bloggers and Python-bloggers

Democratizing Data with R, Python, and Slack

Adding your Hugo Academic blog to R-bloggers and Python-bloggers

The Quickest Way to Add New Apps to ShinyProxy

How to Create Pareto Chart in R

A common mistake in psychology and psycholinguistic papers: Subsetting data to carry out an analysis

August 2021

Never miss an update! Subscribe to R-bloggers to receive e-mails with the latest R posts. (You will not see this message again.)

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)