A Mini MacroEconometer for the Good, the Bad and the Ugly

November 26, 2020 | Ali

  Gross domestic product (GDP) is the total monetary or market value of all the finished goods and services produced within a country's/state’s borders in a specific time period. As a broad measure of overall domestic production, it functions as a comprehensive scorecard of a given country’s/state’...
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Maximum Likelihood Distilled

November 25, 2020 | R on Jorge Cimentada

We all hear about Maximum Likelihood Estimation (MLE) and we often see hints of it in our model output. As usual, doing things manually can give a better grasp on how to better understand how our models work. Here’s a very short example impl... [Read more...]

How to solve Sudoku with R

November 25, 2020 | Andrew Treadway

In this post we discuss how to write an R script to solve any Sudoku puzzle. There are some R packages to handle this, but in our case, we’ll write our own solution. For our purposes, we’ll assume the input Sudoku is a 9×9 grid. At the end result, ...
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Jumping Rivers and WhyR partnership

November 25, 2020 | Jumping Rivers

We love supporting the community around the open source tools that we use on a daily basis. In the past, Jumping Rivers has helped useR user groups and SatRdays events to happen by enabling frictionless sponsorship for European groups. We believe that it is our duty to help grow the ... [Read more...]

Why R Webinar – Mocking in R

November 25, 2020 | Why R? Foundation

Tomorrow at Why R? Webinars we will have a chance to guest Max Kronborg who will present Mocking in R. The biogram and the link to YouTube are below. Go the video and set a reminder! Thursday November 26th. 7:00pm UTC webinars whyr.pl/webinars/ ... [Read more...]

Time Series Demand Forecasting

November 24, 2020 | Business Science

R Tutorials Update Interested in more time series tutorials? Learn more R tips: Time Series Machine Learning (and Feature Engineering) in R, and Time Series in 5-Minutes, Part 6: Modeling Time Series Data. 👉 Register for our blog to get new ar... [Read more...]

COVID-19 Mobility Data

November 24, 2020 | R Views

We are in the middle of a mind-boggling natural experiment here in the United States. In spite of the advice from the CDC and dire warnings from our nation’s health care experts, millions of Americans will travel over the long holiday weekend. Although the number of people flying is ...
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the riddle(r) of the certain winner losing in the end

November 24, 2020 | xi'an

Considering a binary random walk, starting at zero, what is the probability of being almost sure of winning at some point only to lose at the end? This is the question set by the post-election Riddler, with almost sure meaning above 99% and the time horizon set to n=101 steps (it ...
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