March 2019

Play with the cyphr package

March 24, 2019 | Shige

The cyphr package seems to provide a good choice for small research group that shares sensitive data over internet (e.g., DropBox). I did some simple experiment myself and made sure it can actually serve my purpose.I did my experiment on two computers (using openssl): I created the test ... [Read more...]

Formatted correlation output with effect sizes

March 24, 2019 | R on easystats

One of the most time-consuming part of data analysis in science is the copy-pasting of specific values of some R output to a manuscript or a report. This task is frustrating, prone to errors, and increases the variability of statistical reporting. At the sime time, standardizing practices of what and ... [Read more...]

Formatted correlation output with effect sizes

March 24, 2019 | R on easystats

One of the most time-consuming part of data analysis in science is the copy-pasting of specific values of some R output to a manuscript or a report. This task is frustrating, prone to errors, and increases the variability of statistical reporting. At the sime time, standardizing practices of what and ... [Read more...]

Formatted correlation output with effect sizes

March 24, 2019 | R on easystats

One of the most time-consuming part of data analysis in science is the copy-pasting of specific values of some R output to a manuscript or a report. This task is frustrating, prone to errors, and increases the variability of statistical reporting. At the sime time, standardizing practices of what and ... [Read more...]

Formatted correlation output with effect sizes

March 24, 2019 | R on easystats

One of the most time-consuming part of data analysis in science is the copy-pasting of specific values of some R output to a manuscript or a report. This task is frustrating, prone to errors, and increases the variability of statistical reporting. At the sime time, standardizing practices of what and ... [Read more...]

nice student project

March 24, 2019 | matloff

In all of my undergraduate classes, I require a term project, done in groups of 3-4 students. Though the topic is specified, it is largely open-ended, a level of “freedom” that many students are unaccustomed to. However, some adapt quite well. The topic this quarter was to choose a CRAN ... [Read more...]

Writing clean and readable R code the easy way

March 24, 2019 | Bruno Silva

Writing R code, specially for non-programmers like myself, can be a daunting task. You start really motivated, trying to follow some naming convention, formatting your code lines in the most readable way, keeping your lines in a manageable size but when the code lines start to increase and coding problems ... [Read more...]

ShinyProxy 2.2.2

March 24, 2019 | Open Analytics

ShinyProxy is a novel, open source platform to deploy Shiny apps for the enterprise or larger organizations. CPU / Memory constraints for apps internet facing apps already had old memory, now all options autoscaling etc. Secrets management example Daan exposing Kubernetes Miscellaneous improvements long wait time, underlying Kubernetes client useR!2019 tutorial ... [Read more...]

ShinyProxy 2.2.0

March 24, 2019 | Open Analytics

ShinyProxy is a novel, open source platform to deploy Shiny apps for the enterprise or larger organizations. Secured Embedding of Shiny Apps Since version 2.0.1 ShinyProxy provides a REST API to manage (launch, shut down) Shiny apps and consume the content programmatically inside broader web applications or portals. This allows to ... [Read more...]

How cdata Control Table Data Transforms Work

March 23, 2019 | John Mount

With all of the excitement surrounding cdata style control table based data transforms (the cdata ideas being named as the “replacements” for tidyr‘s current methodology, by the tidyr authors themselves!) I thought I would take a moment to describe how they work. cdata defines two primary data manipulation operators: ... [Read more...]

Decode Lyrics in Pop Music with the Songsim algorithm

March 22, 2019 | Peter Prevos

Music is an inherently mathematical form of art. Ancient Greek mathematician Pythagoras was the first to describe the logic of the scales that form melody and harmony. Numbers can also represent the rhythm of the music. Even the lyrics have a mathematical structure. Poets structure syllables and repeat words to ...
[Read more...]

Can you turn 1,500 R$ into 1,000,430 R$ by investing in the stock market?

March 22, 2019 | R on msperlin

In the last few weeks we’ve seen a great deal of controversy in Brazil regarding financial investments. Too keep it short, Empiricus, an ad-based company that massively sells online courses and subscriptions, posted a YouTube ad where a young girl, Bettina, says the following:
Hi, I'm Bettina, I am 22 years old and, starting with R$ 1,500, I now own R$ 1,042,000 of  accumulated wealth.
She later explains that ... [Read more...]

RcppArmadillo 0.9.300.2.0

March 22, 2019 | Thinking inside the box

A new RcppArmadillo release based on a new Armadillo upstream release arrived on CRAN and Debian today. Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a good balance between speed and ease of use with a syntax deliberately close to a Matlab. RcppArmadillo integrates ... [Read more...]

Data Fun – Inspired by Darasaurus

March 22, 2019 | Francis Smart

After my recent post on Anscombe's Quartet in which I demonstrated how to efficiently adjust any data set to match mean, variance, correlation (x,y), as well as regression coefficients. Philip Waggoner tuned me onto Justin Matejka and George Fitzmauric... [Read more...]
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