A new version of simstudy (0.3.0) is now available on CRAN and on the package website. Along with some less exciting bug fixes, we have added capabilities to a few existing features: double-dot variable reference, treatment assignment, and categori...

Are you interested in guest posting? Publish at DataScience+ via your RStudio editor.CategoryBasic StatisticsTagsBasic StatisticsExploratory AnalysisR ProgrammingTips & TricksP-values don’t mean what people think they mean; they rely on hidden assumptions that are unlikely to be fulfilled; they detract from the real questions. Here’s how to use the ...

Every ranking creates winners and losers. In the case of Bloomberg’s Covid Resilience Ranking, the Philippines is a loser: dead …Continue reading →

By Amanda Hart, Co-organizer of South Coast MA UseR Group 2020 was a year of firsts: first global pandemic in my lifetime, first year working remotely, first year not traveling... The post Starting the South Coast MA UseR Group: A first year in review appeared first on R Consortium.

ShinyProxy 2.6.0 Today we release version 2.6.0 of ShinyProxy which includes over forty improvements. ShinyProxy is a novel, open source platform to deploy Shiny apps for the enterprise or larger organizations. Nevertheless, ShinyProxy is also an exce...

Granger-Causality Test in R, The Granger Causality test is used to examine if one time series may be used to forecast another. Subscribe to the Channel for video tutorials Null Hypothesis (H0): Time series X does not cause time series Y to Gr...

“If you can’t explain it simply, you don’t understand it well enough.” — Albert Einstein Introduction Structural equation modelling is a statistical technique used mostly in behavioral and cognitive sciences to see how some selected factors affect a latent variable. A latent variable is a variable that can’t ...

“If you can’t explain it simply, you don’t understand it well enough.” — Albert Einstein Introduction Structural equation modelling is a statistical technique used mostly in behavioral and cognitive sciences to see how some selected factors affect a latent variable. A latent variable is a variable that can’t ...

In previous posts we looked at creating market orders and limit orders with {binance}. We saw a couple of successful trades. However, sometimes trades are not successful and the orders are not filled. Let’s try to understand why. The setup will be the same as the previous posts and ...

When it comes to securing your application, the first thing that comes to mind is protecting access with proper authentication. This means only allowing people that you create accounts for to access your platform. RStudio Connect authentication makes this process relatively easy with options for either internal or external authentication ...

This latest edition of GooglyPlusPlus2021 now includes detailed analysis of teams, batsmen and bowlers in power play, middle and death overs. The T20 format is based on 3 phases as each side faces 20 overs. Power play: Overs: 0 – 6 – No more than 2 players can be outside the 30 yard circle Middle … Continue reading GooglyPlusPlus2021 ...

Time series cross-validation using `crossvalidation`, with validation on unseen data.

This post presents a R code for pricing a bond forward. It is well known that insurance companies use it as the instrument of a duration management with lower cost. Here, a pricing formula and its implementation are provided with delta sensitivity u...

String Manipulation in R, In this article, we’ll show you how to manipulate strings in the R programming language using many methods. To begin, we’ll read text from a file into the computer to demonstrate the string operations. data&...

A look at daily and monthly bitcoin return distributions. Which distribution best describes the observed data. And, what does this mean from a portfolio management perspective?