Publications by Posts on R Lover ! a programmer
Pairwise Bayesian Comparisons – even faster
This post builds upon two earlier posts: Comparing Frequentist, Bayesian and Simulation methods and conclusions More Bayes and multiple comparisons Background This all started with a nice post from Anindya Mozumdar on the R Bloggers feed. The topic material was fun for me (analyzing the performance of male 100m sprinters and the fastest man on ...
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Plotting Bayes Factors for multiple comparisons using ggsignif
This week my post is relatively short and very focused. What makes it interesting (at least to me) is whether it will be seen as a useful “bridge” between frequentist methods and bayesian methods or as an abomination to both! There’s some reasonably decent code and explanation in this post but before I spend much more time on the functional...
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I didn’t mean() to ignore the median()
This week’s post follows directly from last week’s investigation of data from the 2016 US Census Bureau’s American Community Survey (ACS) Public Use Microdata Sample (PUMS). We explored mean differences in income across several different types of employment status (self-employed, private sector, government, etc.). We found, using bayesian m...
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Analyzing churn with chaid
This post tries to accomplish several things concisely. I’m making available a new function (chaid_table()) inside my own little CGPfunctions package, reviewing some graphing options and revisiting our old friend CHAID – Chi Squared \(\chi^2\) Automated Interaction Detection – to look at modeling a “real world” business problem. It’s ...
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Updating to 4.0.0 on MacOS
Mixed emotions Wow! Has it been a year? Another major update from The R Foundation (the recent 4.0.0 release in April). I’m always happy to see the continuing progress and the combination of new features and bug fixes, but I also dread the upgrade because it means I have to address the issue of what to do about the burgeoning number of packages...
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Understanding COVID19 in Connecticut. It takes a town
Well, it has been way too long since I posted something. As with most of you life during the pandemic has been interesting to say the least. I’ve been working hard (to include trying to find a new job), practicing good hygiene, socially distancing, wearing a mask etc., etc. But so far I have avoided the temptation to post about the virus (or sh...
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Displaying increasing U.S. eligible voter diversity with a slopegraph in R
I maintain small package CGPfunctions on Github as well as CRAN. I know a few people use it because occasionally I get feedback (usually accompanied by feature requests 🙂 ). I am absolutely sure that it’s in no danger of “going viral” but the discipline of maintaining does me some good at least, and it’s nice to know a few people find ...
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Warpspeed confidence what is credible?
Well, it’s election day here in America and the last thing in the world I want to talk about is politics. Hope you found a way to vote. Meanwhile, while we wait let me (hopefully) amuse and perhaps educate you with some information about another topic that we all care deeply about. A vaccine for COVID-19. The other day I was in my car listening...
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Warpspeed confidence what is credible? — Part 2
In my last post I started exploring a basic statistical analysis of how confident we should feel about the effectiveness of a vaccine for COVID-19 (Operation Warpspeed). A reminder I’m not an epidemiologist, I don’t have any data for safety, and we’re still quite early in the Phase III trials – just approaching the point at which they can...
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Warpspeed vaccine vindication and an homage — Part 3
Yahoo (not the service provider), yippee, and all those other cries of joy. After my last couple of posts what appears this morning… Earlier on Monday, pharmaceutical giant Pfizer and its partner BioNTech said their experimental vaccine was 90% effective in preventing COVID-19. It is the first of the vaccine attempts to reach the clinical mile...
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