February 2022

Nonparametric Value-at-Risk (VaR)

February 6, 2022 | Boris Guarisma

Cover photo by Chris Liverani on Unsplash Go to R-bloggers for R news and tutorials contributed by hundreds of R bloggers. Introduction This is the first of a series of articles explaining how to apply multi-objective particle swarm optimization* (MOPS...
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R For SEO Part 1: The Basics

February 6, 2022 | Ben Johnston

R For SEO Part 1: The Basics The R programming language has lots of benefits for SEOs, but it just doesn’t get as much love in the space as Python. I get it. The barrier to entry is a little higher and there are some things that you can do ... [Read more...]

Simulating shared segments between relatives

February 6, 2022 | mrtnj

A few months ago I saw this nice figure from Amy Williams of the number of DNA segments that are expected to be shared between relatives. I thought it would be fun to simulate segment sharing with AlphaSimR. Because DNA comes in chromosomes that don’t break up and recombine ...
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11 New Books added to Big Book of R

February 5, 2022 | Oscar

06 February 2022 Welcome to a very special edition of Big Book of R updates. For the past week, my kid has been asking to help me out with Big Book of R and created this amazing featured image. It’s an outer-space theme complete with a space-monkey (holding a banana) … The ...
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Comparing the Bradley Terry model to betting odds

February 5, 2022 | kjytay

In this previous post, I described the Bradley-Terry model and showed how we could use it to predict game outcomes in the NBA 2018-19 regular season. After ffitting the Bradley-Terry model on the first half of the regular season (with … Continue reading →
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Bagging in Machine Learning Guide

February 5, 2022 | finnstats

The post Bagging in Machine Learning Guide appeared first on finnstats. If you want to read the original article, click here Bagging in Machine Learning Guide. Bagging in Machine Learning, when the link between a group of predictor variables and a response variable is linear, we can model the relationship ... [Read more...]

Decision tree regression and Classification

February 4, 2022 | finnstats

The post Decision tree regression and Classification appeared first on finnstats. If you want to read the original article, click here Decision tree regression and Classification. Decision tree regression and Classification, Multiple linear regression can yield reliable predictive models when the connection between a group of predictor variables and a ... [Read more...]

Bifurcation diagram for nonautonomous SIR model

February 4, 2022 | knipa

I am trying to do the bifurcation diagram for a nonautonomous SIR two-patch model. But It’s not giving the proper result. The model and parameter values are in the code. I solved the model by ODE solution for a set of bifurcation parameter values and then took the maximum ... [Read more...]

Notes on R

February 2, 2022 | R on Harshvardhan

Update (March 5, 2022): I finally wrote a package with all these functions. You can learn more about it here.1 On one fine day when I have enough time, they’ll all be wrapped into a package hosted on my Github. Until then, this page in their home. library(tidyverse) 
## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ──
## ✓ ggplot2 3.3.5          ✓ purrr   0.3.4     
## ✓ tibble  3.1.6          ✓ dplyr   1.0.8.9000
## ✓ tidyr   1.2.0          ✓ stringr 1.4.0     
## ✓ readr   2.0.2          ✓ forcats 0.5.1
{{...
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Google Summer of Code and mlr3

February 2, 2022 | Machine Learning in R

Our Org is currently thinking about participating in GSOC 2022 again. We are considering which projects to propose and would also like to collect input. This year’s Google Summer of Code is not only directed at students but at a broader audience of... [Read more...]
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