February 2021

more, please!

February 25, 2021 | xi'an

As The Riddler proposed for several weeks a CrossProduct™ puzzle when 3 x n one-digit integers have to be deduced from their rowwise and columnwise products, I attempted at writing an R solver by applying a few basic rules repeatedly, which worked for the first two puzzles, if not for the ...
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Kelly Thorp Betting

February 25, 2021 | jmount

I demonstrate a Kelly/Thorp betting system for the simple card game of guessing if the next card from a standard deck is red or black. I have a video of the play here. And a derivation of the betting strategy in R is here. A derivation of the proof ... [Read more...]

Kelly Thorp Betting

February 25, 2021 | jmount

I demonstrate a Kelly/Thorp betting system for the simple card game of guessing if the next card from a standard deck is red or black. I have a video of the play here. And a derivation of the betting strategy is here. [Read more...]

5 Reasons You Should Learn Shiny

February 24, 2021 | Business Science

👉 Sign Up For More Blog Articles 👈 Many data scientists struggle with distributing their work. However, you can make that a problem of the past thanks to Shiny. The Shiny app is gold for Data Scientists. Here are five reasons you ...
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Benstats Talks #1: A presentation on CNNS

February 24, 2021 | Benjamin Smith

Its been a while since I last posted anything on my blog, so I thought I would share an update. Recently, I had the opportunity to present for my midterm examination a deep learning framework of my choosing. I chose to give a talk on (you guessed it!) convolutional neural ...
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Excess Deaths February Update

February 24, 2021 | R on kieranhealy.org

The CDC continues to update its counts of deaths by cause for 2020 as data comes in from the jurisdictions that report to it. The data are by now fairly complete, though there are still significant gaps in several states due to delayed reporting. North Carolina, in particular, has yet to ...
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String Manipulation with Stringr

February 24, 2021 |

What is a string? In coding, strings, also known as character strings, are sequences of characters that are surrounded by quotation marks. This often includes letters and can include numbers. Character strings are often used for names and categorizing data and it can be extremely useful to learn how to ... [Read more...]

folded Normals

February 24, 2021 | xi'an

While having breakfast (after an early morn swim at the vintage La Butte aux Cailles pool, which let me in free!), I noticed a letter to the Editor in the Annals of Applied Statistics, which I was unaware existed. (The concept, not this specific letter!) The point of the letter ...
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Add Shiny to Rmarkdown

February 23, 2021 | Business Science

This article is part of a R-Tips Weekly, a weekly video tutorial that shows you step-by-step how to do common R coding tasks. Here are the links to get set up. ? Get the Code YouTube Tutorial (Click image to play tutorial) Po...
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January 2020: “Top 40” New CRAN Packages

February 23, 2021 | R Views

Two hundred thirty new packages made it to CRAN in January. Here are my “Top 40” selections in ten categories: Data, Finance, Genomics, Machine Learning, Medicine, Science, Statistics, Time Series, Utilities, and Visualization. Data igoR v0.1.1: Provides tools to extract information from the Intergovernmental Organizations (‘IGO’) Database , version 3, provided by the ...
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