2021

Grouped Data Mean and Standard Deviation Calculator

September 8, 2021 | finnstats

We want to determine the mean and standard deviation of ungrouped data in practically all circumstances. However, how can you do that with grouped data? Grouped Data Mean and Standard Deviation Let’s look at... The post Grouped Data Mean and Standard Deviation Calculator appeared first on finnstats. [Read more...]

A Guide to Binge Watching R / Medicine 2021

September 8, 2021 | R Views

R / Medicine is a big deal. This year, the conference grew by 13% with 665 people from over 60 countries signing up for the virtual event which was held last month. 34% percent of the registrants were from outside of the United States and 17% identified as physicians. The conference is now an established international ...
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{clockify} Time Tracking from R

September 8, 2021 | R | datawookie

At Fathom Data we use Clockify to keep detailed records of the time that we spend working on our clients’ projects. Up until fairly recently we manually generated timesheets at the end of each month that were sent through to the clients along with their invoices. Our experience has been ...
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The Four Pipes of magrittr

September 6, 2021 | R on Data & The World

The magrittr package is a part of the extended tidyverse – i.e., not one of the ones normally loaded. It is the one that supplies the pipe operator (%__%), but it turns out that the package actually contains four pipe operators in total. All ar...
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RSwitch 2.1.2b Bug-fix Release

September 6, 2021 | hrbrmstr

RStudio is continuing to refine their ?? new product version string scheme, with the most recent change using something like the following for daily builds: RStudio-pro-2021.11.0-daily+23.pro1.dmg The full URL for these Amazon S3-hosted builds is something like: https://s3.amazonaws.com/rstudio-ide-build/desktop/macos/RStudio-pro-2021.11.0-daily%2B23....
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Measuring model performance using a gains table

September 5, 2021 | R'tichoke

Modellers/analysts developing credit scores generally use something known as the gains table (or a ks table) to measure and quantify the performance of such models. We’ll explore how to build such a table in this post. The idea is to first discretise the population under consideration (say the ... [Read more...]

Testing rounded data for a circular uniform distribution

September 5, 2021 | Derek Jones

Circular statistics deals with analysis of measurements made using a circular scale, e.g., minutes past the hour, days of the week. Wikipedia uses the term directional statistics, the traditional use being measurements of angles, e.g., wind direction. Package support for circular statistics is rather thin on the ground. ...
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Testing rounded data for a circular uniform distribution

September 5, 2021 | Derek Jones

Circular statistics deals with analysis of measurements made using a circular scale, e.g., minutes past the hour, days of the week. Wikipedia uses the term directional statistics, the traditional use being measurements of angles, e.g., wind direction. Package support for circular statistics is rather thin on the ground. ... [Read more...]

Mistakes: You’ll make a few

September 5, 2021 | Oscar

Running into errors and warnings is a completely normal part of programming – even the best of the best can count on it happening daily! Getting comfortable with what the errors mean and how to find the solution is part of your learning journey. Here’s a checklist (pdf /jpg) with … ...
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Simulation Smoother using RcppArmadillo

September 4, 2021 | Rcpp Gallery

Simulation smoothing involves drawing latent state variables in discrete-time state–space models from their conditional distribution given parameters and data as defined by McCausland, Miller, & Pelletier (2011). This tool greatly facilitates Bayes... [Read more...]
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