2022

Subset rows based on their integer locations-slice in R

July 14, 2022 | Jim

The post Subset rows based on their integer locations-slice in R appeared first on Data Science Tutorials Subset rows based on their integer locations, R has the slice() function, which allows you to subset rows according to their integer places. Statistical test assumptions and requirements – Data Science Tutorials The following ... [Read more...]

The Impact of Ordinal Scales on Gaussian Mixture Recovery

July 14, 2022 | Jonas Haslbeck - r

Gaussian Mixture Models (GMMs) and its special cases Latent Profile Analysis and k-Means are a popular and versatile tools for exploring heterogeneity in multivariate continuous data. However, they assume that the observed data are continuous, an assum... [Read more...]

Eight R Tidyverse tips for everyday data engineering

July 14, 2022 | tomaztsql

Tidyverse is a collection of R packages, primarily for data engineering and analytics. These packages are ggplot2, purrr, tibble, dplyr, tidyr, stringr, readr, and forcats. And all combine the same language, design and “grammar” structures. 1. Use pipe “%__%” for…Read more ›

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rstudio::glimpse() Newsletter

July 13, 2022 | RStudio | Open source & professional software for data science teams on RStudio

Tracy Teal is the Open Source Program Director at RStudio. It’s the lead up to rstudio::conf(2022), and I’m quickly learning what ‘conf-driven development’ means. There’s a lot going on, and more to come at conf! I&rsquo... [Read more...]

rfoaas 2.3.2: New upstream accessors

July 13, 2022 | Thinking inside the box

FOAAS by now moved to version 2.3.2 in its repo. This releases 2.3.2 of rfoaas catches up, and brings the first release in about two and a half years. This 2.3.2 release of FOAAS brings us six new REST access points: absolutely(), dense(), dumbledor... [Read more...]

How to do Conditional Mutate in R?

July 13, 2022 | Jim

The post How to do Conditional Mutate in R? appeared first on Data Science Tutorials How to do Conditional Mutate in R, It’s common to wish to add a new variable based on a condition to an existing data frame. The mutate() and case when() functions from the dplyr ... [Read more...]

How much has COVID cost the NYC Subway system in “lost fares”?

July 12, 2022 | R | JLaw's R Blog

With things in NYC beginning to return to normal after two years of COVID I found myself thinking about how much money was lost in Subway fares in the 2+ years where people were working from home. Seeing an opportunity to mess around with some forecasting packages, I set out to ...

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How to write a function in R and apply it to a data frame using map functions from {purr}

July 12, 2022 | Ronan Harrington

Introduction In this post, the European Flights data set is used to illustrate defining a function in R and applying it to a data frame using map functions from {purr}. The full source for this blog post is available on GitHub. Setup Loading the R l...

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Jumping Rivers and the Data Science Community

July 12, 2022 | The Jumping Rivers Blog

At Jumping Rivers, we love data science! Surprised? Didn’t think so … But, did you know that as well as providing training and consultancy, we also like to get involved with the data ...

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simulating from the joint cdf

July 12, 2022 | xi'an

An X validated question (what else?!) brought back (to me) the question of handling a bivariate cdf for simulation purposes. In the specific case of a copula when thus marginals were (well-)known…. And led me to an erroneous chain of thought, fortunately rescued by Robin Ryder! When the marginal ...

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Indy UseR Growing as New Businesses like Insurance and Pharmaceuticals Move into Indianapolis

July 12, 2022 | R Consortium

Shankar Vaidyaraman and Derrick Kearney sit down with R Consortium to talk about how the Indy UseR Group coped with the pandemic. They started moving towards online events early, how... The post Indy UseR Growing as New Businesses like Insurance and Pharmaceuticals Move into Indianapolis appeared first on R Consortium.

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How to plot Bump Chart in R?

July 12, 2022 | finnstats

The post How to plot Bump Chart in R? appeared first on finnstats. How to plot Bump Chart in R?, A bump chart is a sort of chart that emphasizes the order of the groups rather than the quantity of change by displaying rankings of various groups... If you are ...

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Appsilon Staff Picks – Must See rstudio::conf(2022) Presentations

July 12, 2022 | Appsilon

The rstudio::conf is quickly approaching and we at Appsilon are so excited. It’s like waiting for your birthday; knowing full well that there will be surprises, presents, and lots of good times with friends! This year’s conference is back in person and yes! Appsilon will be there. ...

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Random Forest Machine Learning Introduction

July 12, 2022 | Jim

The post Random Forest Machine Learning Introduction appeared first on Data Science Tutorials Random Forest Machine Learning, We frequently utilize non-linear approaches to represent the link between a collection of predictor factors and a response variable when the relationship between them is extremely complex. Classification and regression trees, often known ... [Read more...]

Network Graphs in R

July 11, 2022 | Mark Edney

Introduction Network graphs are an important tool for network analysis. They illustrate points, referred to as nodes, with connecting lines, referred to as edges. Since network graphs are such useful tools, there are many options for graph generation. In this posting, I will demonstrate three different techniques for developing network ...

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Network Graphs in R

July 11, 2022 | R on The Data Sandbox

Introduction Network graphs are an important tool for network analysis. They illustrate points, referred to as nodes, with connecting lines, referred to as edges. Since network graphs are such useful tools, there are many options for graph generation. In this posting, I will demonstrate three different techniques for developing network ...

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R is for actuaRies

July 11, 2022 | R Views

Dr Maria Prokofieva is a member of the R / Business working group which is promoting the use of R in accounting, auditing, and actuarial work. She is also a professor at the Victoria University Business School in Australia and works with ...

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rOpenSci Code of Conduct Update

July 11, 2022 | rOpenSci - open tools for open science

We are pleased to announce the release of Version 2.4 of our Code of Conduct with changes based on the feedback of our community. What’s new? Greater detail about acceptable and unacceptable behaviors in online settings. First translation of the tex... [Read more...]

shapviz goes H2O

July 11, 2022 | Michael Mayer

The "shapviz" package now plays well together with H2O.

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How to Use Mutate function in R

July 11, 2022 | Jim

The post How to Use Mutate function in R appeared first on Data Science Tutorials How to Use Mutate function in R, This article demonstrates how to add additional variables to a data frame using R’s mutate() function. Artificial Intelligence Examples-Quick View – Data Science Tutorials How to Use Mutate ... [Read more...]

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