R-bloggers - Part 2

New nonlinear least squares solvers in R with {gslnls}

May 17, 2022 | Open Analytics

Introduction Solving a nonlinear least squares problem consists of minimizing a least squares objective function made up of residuals $g_1(\boldsymbol{\theta}), \ldots, g_n(\boldsymbol{\theta})$ that are nonlinear functions of the parameters of intere...

[Read more...]

googleVis 0.7.0 adds Gantt charts

May 16, 2022 | R | mages' blog

Version 0.7.0 of the googleVis R package has been released, adding a new function for Gantt charts. Gantt charts are helpful to illustrates a project schedule and its dependencies. Following the Google documentation the project has to be broken down into task IDs, task names, resources, start date, end dates, task ... [Read more...]

Semantic HTML and Shiny Applications

May 16, 2022 | Ashley's Blog

A couple of weeks ago I was looking around for different CSS frameworks to play around with, and came across Semantic HTML (not to be confused with Semantic UI) and I’m hooked! There are several “classless CSS frameworks” that are...

[Read more...]

How to draw heatmap in r: Quick and Easy way

May 16, 2022 | Jim

The post How to draw heatmap in r: Quick and Easy way appeared first on Data Science Tutorials - How to draw heatmap in r?, A heatmap is essentially a table with colors replacing the numbers. The colors represent the measuring level. It can help you locate highs and lows, ...

[Read more...]

Part 3 – Yet Another PSO Article with R

May 16, 2022 | Boris Guarisma

Cover photo by Eric Ward on Unsplash Go to R-bloggers for R news and tutorials contributed by hundreds of R bloggers. Introduction This article is the Part 3 of the series (Swarm) Portfolio Optimization. I assume you have read Part 2 - Notion of non-do...

[Read more...]

Launch of R Screencasts

May 16, 2022 | Oscar

16 May 2022 A great way to learn how to analyze data or improve the skills you have is to watch experienced people do it. It’s handy if you have experienced colleagues around you, but what if your colleagues are too busy to help coach you, you’re still trying to … ...

[Read more...]

Software Development Resources for Data Scientists

May 15, 2022 | RStudio | Open source & professional software for data science teams on RStudio

Data scientists concentrate on making sense of data through exploratory analysis, statistics, and models. Software developers apply a different set of knowledge with different tools. Although their focus is different, data science teams can benefit fro...

[Read more...]

Koh-Lanta 2022: the ambassadors probability problem

May 15, 2022 | R on Stats and R

Introduction Before 2022 In 2022 Probabilities computation in R First draw Second draw Third draw Game limited to 3 draws Game limited to 5 draws Game limited to 100 draws Game limited to the number of necessary draws Final winning probabilities ...

[Read more...]

Requiring 2FA for Our Main GitHub Organization

May 15, 2022 | rOpenSci - open tools for open science

Following our recent post on “Safeguards and Backups for GitHub Organizations”, nearly one month ago we went one step further and made two-factor authentication (2FA) required for all members and outside collaborators of our main organizat... [Read more...]

Player Performance Estimation using AI Collaborative Filtering

May 15, 2022 | Tinniam V Ganesh

1. Introduction Often times before crucial matches, or in general, we would like to know the performance of a batsman against a bowler or vice-versa, but we may not have the data. We generally have data where different batsmen would have faced different sets of bowlers with certain performance data like ...

$\theta^2$

[Read more...]

Change ggplot2 Theme Color in R ggthemr Package

May 15, 2022 | DataScienceTutor

The post Change ggplot2 Theme Color in R ggthemr Package appeared first on Data Science Tutorials - In this article, you’ll learn how to change the colors of ggplot2 visuals in the R programming language by utilizing different themes. Let&#...

[Read more...]

Best Books to Learn R Programming

May 14, 2022 | DataScienceTutor

The post Best Books to Learn R Programming appeared first on Data Science Tutorials - Best Books to Learn R Programming, R and Python are now the most popular programming languages for performing data science, and each has its own set of advantages and downsides. Python is preferred for Machine ... [Read more...]

The ‘rAmCharts4’ package

May 14, 2022 | Stéphane Laurent

My package rAmCharts4 has a moderate success on Github (twenty stars). So I decided to present it here. [Read more...]

Self-documenting {ggplot}s thanks to the power of monads!

May 14, 2022 | Econometrics and Free Software

Hey kid, fancy some self-documenting {ggplots} like this one: Just read on! I’ve been working hard on a package that I’ve called {chronicler} (read my post on it here) which allows you to attach a log to the objects you create, thus making it easy to know how ...

[Read more...]

Mastering Shiny — 4.8 Exercise 1: Next and Back Button

May 14, 2022 | feirblog

Below is the 4th exercise in book Mastering Shiny, Chapter 4: Case study: ER injuries. “Provide a way to step through every narrative systematically with forward and backward buttons.Advanced: Make the list of narratives “circular” so that advancing forward from the last narrative takes you to the first.” Collin Berke ... [Read more...]

IRRBB Interest Rate Shock Scenarios using R code

May 14, 2022 | sang-heon lee

This post explains how to calculate the IRRBB interest rate shock scenarios of BCBS(2016) prior to discussing change in economic value of equity (∆EVE) and net interest income (∆NII). IRRBB Interest Rate Shock Scenarios IR...

[Read more...]

survivoR v1.0 is now on CRAN

May 14, 2022 | Daniel Oehm

I’m happy to announce that survivoR v1.0 is now on CRAN. The package now contains all the features intended for […] The post survivoR v1.0 is now on CRAN appeared first on Dan Oehm | Gradient Descending. [Read more...]

How to make a rounded corner bar plot in R?

May 13, 2022 | DataScienceTutor

The post How to make a rounded corner bar plot in R? appeared first on - Rounded corner bar plot in R, we’ll show you how to use the ggchicklet package in the R programming language to make a ggplot2 bar chart with rounded bars. The ggchicklet Package: An ...

[Read more...]

ggblanket: making beautiful ggplot2 visualisation simpler

May 13, 2022 | David Hodge

A few days ago, I released {ggblanket} onto CRAN. This package took over my brain for 1.5 months, and I worked obsessively on it. I hope people find it useful. The objective of {ggblanket} is to make beautiful {ggplot2} visualisation simpler. With ...

[Read more...]

Boolean operations on meshes with R(CGAL)

May 13, 2022 | Stéphane Laurent

I?m still working on my package RCGAL, that I already present in a previous post. This previous post was about the reconstruction of surfaces. Now I implemented the Boolean operations on mes... [Read more...]

« 1 2 3 4 … 1,908 »