2022

Separating Code from Presentation in Jupyter Notebooks

April 30, 2022 | John Mount

One of the great conveniences of performing a data science style analysis using Jupyter is that Jupyter notebooks are literate containers that combine code, text, results, and graphs. This is also one of the pain points in working with Jupyter notebooks with partners or with source control. That is: Jupyter […]
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Diffify

April 29, 2022 | The Jumping Rivers Blog

You know that sinking feeling that you get when you’re months into a big project and you log in one day and nothing works? Turns out something has updated and things have been removed that y...
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Military Expenditure Estimation with RJAGS Simulation

April 29, 2022 | Selcuk Disci

The side effect of the ongoing Russian occupation was that it stimulated countries’ intentions to increase their military budgets. Last month following the invasion, Germany announced a budget of 100 billion € for the restructuring of the army and announced that it would spend %2 of its GDP every year. Of course, it ...
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March: “Top 40” New CRAN Packages

April 27, 2022 | R Views

Two hundred and six new packages stuck to CRAN in March. Here are my “Top 40” selections in thirteen categories: Computational Methods, Data, Finance, Game Theory, Genomics, Machine Learning, Medicine, Networks, Science, Statistics, Time Series, Utilities, and Visualization. Computational Methods RCDT v1.1.0: Provides functions to perform 2D Delaunay triangulation, constrained or ...
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TidyTuesday and Barplots with Images

April 27, 2022 | R on head spin - the Heads or Tails blog

This week, the Kaggle Hidden Gems Competition is featured in a special crossover event with the fantastic TidyTuesday project to further strengthen the connections between the R & Kaggle communities. The TidyTuesday participants are invited to expand their beautifully crafted data visuals into narrative notebooks on the Kaggle platform, and receive ...
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null recurrent = zero utility?

April 27, 2022 | xi'an

The stability result that the ratio converges holds for a Harris π-null-recurrent Markov chain for all functions f,g in L¹(π) [Meyn & Tweedie, 1993, Theorem 17.3.2] is rather fascinating. However, it is unclear it can be useful in simulation environments, as for the integral priors we have been studying over the years ...
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Map and Nested Lists

April 27, 2022 | R on kieranhealy.org

On StackOverflow, a questioner with a bunch of data frames (already existing as objects in their environment) wanted to split each of them into two based on some threshold being met, or not, on a specific column. Every one of the data frames had this column in it. Their thought ... [Read more...]

Situation

April 26, 2022 | John MacKintosh

You want to run a query over multiple tables in your database / warehouse and then process and visualise the combined results of those queries. You need to be able to switch between servers, databases, schemas and tables, selecting different columns and applying different conditions in the WHERE clause. You don’... [Read more...]
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