Open-source software is awesome. If I found that a piece of closed-source software was missing a feature that I wanted, well, bad luck. I probably couldn’t even tell if was actually missing or if I just didn’t know about it....Continue Reading → [Read more...]

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This is our first lesson where we actually learn and use a new statistic in R. For today’s lesson we’ll be focusing on linear regression. I’ll be taking for granted some of the set-up steps from Lesson 1, so if you haven’t done that yet be sure ... [Read more...]

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Like most R Programmers, I’m a fan of the R packages that RStudio develops. They recently announced Flexdashboards: Easy interactive dashboards written in RMarkdown. I’m always trying to expand my R skills with side projects so I’ve put... [Read more...]

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Question I recently got a mail from Václav on reference semantics in data.tree, reading as follows: Dear Christoph, I am rather inexperienced when it comes to environments in R and henceforth I apologize if my question is basic; however, my colleagues are no better than me to answer ... [Read more...]

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In this post we’ll show how to create Triangular Surface Plots in R. This post is based on timelyportfolio’s gist. Moebius Strip [crayon-574f957d4f6d8269686049/] 2D Surface over a disk [crayon-574f957d4f6f0642123440/] Chopper from python [crayon-574f957d4f712450395539/] [Read more...]

An R programmer can determine the order of processing of commands, via use of the control statements; repeat{}, while(), for(), break, and next Answers to the exercises are available here. Exercise 1 The repeat{} loop processes a block of code until the condition specified by the break statement, (that is mandatory ... [Read more...]

LONDON  13th – 15th SEPTEMBER 2016 EARL is an exciting cross-sector Conference dedicated to the real business usage of R.   One day of Workshops and two days devoted to the most innovative R implementations by the world’s leading practitioners. … Continue reading → [Read more...]

A MilanoR meeting is an occasion to bring together R users from the Milano area to share R tips and experience: the next one will be Thursday, October 27th. We are looking for volunteers to present at the next meeting: if you feel you have something to input or you ... [Read more...]

Vocativ did an interesting analysis of the President’s State of the Union (SOTU) speeches, which we heard about via Partially Derative podcast. They showed that across the past couple hundred years and many Presidents, SOTU speeches have been targe... [Read more...]

Vocativ did an interesting analysis of the President’s State of the Union (SOTU) speeches. They showed that across the past couple hundred years and many Presidents, SOTU speeches have been targeted at audiences with lower and lower education levels. Vocativ’s in-print interpretation of the downward sloping trend was ... [Read more...]

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As mentioned in my previous post on the forecast package v7, the most visible feature was the introduction of ggplot2 graphics. This post briefly summarizes the remaining new features of forecast v7. library(forecast) library(ggplot2) tslm rewritten Th... [Read more...]

I’ve been banging my head against the wall trying to figure out an easy way to wrap utilization distribution estimation and visualization into easier to use functions. Mostly for my benefit in developing a Shiny application to visualize animal moveme... [Read more...]