August 2019

Simulation studies in R with the ‘parSim’ package

August 31, 2019 | Sacha Epskamp

(featuring missing data analysis) Simulation studies are absolutely vital for methodological work to be validated and tested in multiple settings. One simulation study is good, but more simulation studies are always better. In the context of network estimation for example, simulation studies are currently the only way to go in ... [Read more...]

Examining Racial Income Disparities

August 31, 2019 | R on Sam Portnow's Blog

Exploring Explanations Of the Black-White wealth gap The black-white wealth gap is nearly 15:1; the mean of black household wealth is $138,200; for white houesholds it is $933,700. A frequent explanation has been single-parent families in the Black community (1, 2 3) or culture (1, 2, 3, 4, 5) Fortunately, we can test these claims. I am going to use the ...
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Lesser known dplyr functions

August 30, 2019 | kjytay

The dplyr package is an essential tool for manipulating data in R. The “Introduction to dplyr” vignette gives a good overview of the common dplyr functions (list taken from the vignette itself): filter() to select cases based on their values. arrange() to … Continue reading → [Read more...]

Why R?

August 30, 2019 | John Mount

I was working with our copy editor on Appendix A of Practical Data Science with R, 2nd Edition; Zumel, Mount; Manning 2019, and ran into this little point (unfortunately) buried in the back of the book. In our opinion the R ecosystem is the fastest path to substantial data science, statistical, ... [Read more...]

Bigram Analysis of Democratic Debates

August 30, 2019 | Matt

This tutorial will mainly focus on ggplot and bigrams, but it does gloss over clustering for a heatmap. This project started a while back, tweetingContinue ReadingBigram Analysis of Democratic Debates
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It is Time for CRAN to Ban Package Ads

August 30, 2019 | John Mount

NPM (a popular Javascript package repository) just banned package advertisements. I feel the CRAN repository should do the same. Not all R-users are fully aware of package advertisements. But they clutter up work, interfere with reproducibility, and frankly are just wrong. Here is an example which could be considered to ... [Read more...]

Break up with Excel: Intro and Advanced R Data Science Courses at MSACL.org Salzburg Austria, September 21–23, 2019

August 30, 2019 | [email protected]

MSACL Conference There are two RStats Data Science courses happening in Salzburg Austria on September 22–24, 2019 at the 6th annual MSACL Clinical Mass Spectrometry Conference. These courses are held twice annually, once in Europe and once in Palm Springs. Introductory Course The introductory course will be taught by Dan Holmes, MD ...
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What’s happening at EARL Conference 2019?

August 30, 2019 | Mango Solutions

The Enterprise Applications of the R Language Conference (EARL) is the place to be for anyone using R in their organisation. You’ll be joined by R users from all over the data world, presenting their real-world projects and use cases, and ideas and solutions. The conference is run by ... [Read more...]

Who’s covered

August 29, 2019 | R on OSM

One of the simplest options strategies is known as the covered call. For this strategy, an investor who already owns a stock elects to sell (or write) an option contract to surrender that stock at a specified price (known as the strike) at some poin...
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Resource Round-Up: R in Industry Edition

August 29, 2019 | rstats | Emily Riederer

One of the ways that practices of reproducible research can be brought into industry is through the development of custom R packages and data tools for one’s company / organization. Not only can these tools deliver large efficiency gains and standardization, they ideally infuse corporate culture with the shared passion ... [Read more...]

Who’s covered

August 29, 2019 | R on OSM

One of the simplest options strategies is known as the covered call. For this strategy, an investor who already owns a stock elects to sell (or write) an option contract to surrender that stock at a specified price (known as the strike) at some point in the future (also known ...
[Read more...]

Time series graphics using feasts

August 29, 2019 | R on Rob J Hyndman

This is the second post on the new tidyverts packages for tidy time series analysis. The previous post is here. For users migrating from the forecast package, it might be useful to see how to get similar graphics to those they are used to. The forecast package is built for ...
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