March 2016

Control totals of a data.frame

March 24, 2016 | Trinostics LLC

When you are conducting a business analysis project with a data extract from the company's internal system, professional risk management suggests you make sure you are not missing any records or double counting any records. But you certainly don't want to look at every record. Yikes!Auditors solve this predicament ... [Read more...]

R animation: global SNAP Shiny app users

March 24, 2016 | Matt's R Blog

For the blog readers, just a quick heads up that I have posted a new R data animation to YouTube. A complete post will follow, but for now here is the video. It displays the social network of SNAP Shiny app users over about the past year and a half ... [Read more...]

Trump Losing and Feeling the Bern in Utah

March 24, 2016 | Julia Silge

Well, it’s been an interesting election season so far, right? Everybody holding up OK? Utah held its caucuses this past Tuesday on March 22 and I thought I would do a bit of plotting to show the results. We can get the JSON data from CNN, as pointed out by ... [Read more...]

Graphics parameters exercises

March 24, 2016 | Matteo Renzi

In the exercises below we practice how to personalize graphics parameters, how to produce different plots at the same time and how to save a plot in a file. We will use commands such as par and jpeg. We will use the mtcars dataset, provided by R Cran (we can ... [Read more...]

Get ready for the New York R Conference

March 24, 2016 | Joseph Rickert

by Joseph Rickert Last year, I wrote the New York R Conference “set the bar pretty darn high for a first time conference”. Not only was there an outstanding lineup of speakers, but the energy and enthusiasm that conference attendees brought with them, or maybe just generated on the spot, ... [Read more...]

R package news: tfsR, HIBPwned, mockaRoo

March 24, 2016 | Steph

This is a brief update on my packages not currently on CRAN: tfsR, HIBPwned, and mockaRoo. tfsR tfsR is designed to help you work git repositories in Microsoft Team Foundation Server (TFS) and Visual Studio Team Services (VSTS). I wrote the package a while ago and it has/had just ... [Read more...]

googleformr on CRAN

March 24, 2016 | data_steve

As I said in my last post, googleformr came out of a persistent series of questions: How to collect data remotely? And do it programmatically with R? And safely, easily, and free? Well, now googleformr is up on CRAN. Google Form niceties After getting googleformr on CRAN, I had intended ... [Read more...]

New release – WrightMap 1.2

March 23, 2016 | R Snippets for IRT

A (too long in the making) new version of WrightMap is now available on CRAN (Actually, version 1.2.1 is already up). This new version includes a lot of features that have long been requested, including cut-point lines, alternative item displays (clas...
[Read more...]

How to: Weather Radials

March 23, 2016 | Joshua Kunst

TLDR: Creating weather radials with highcharter and ggplot2. I was surfing by the deep seas of the web and I found the Brice Pierre de la Briere’s blocks and I saw the weather radials which originally are a poster collection. Brice uses D3 and he used D3 very well ... [Read more...]

Submitting packages to CRAN

March 23, 2016 | Françoisn - [email protected]

This note lists a few of the mistakes that one can make before submitting a package to CRAN. The list is based on my own mistakes when submitting the ggnetwork package to CRAN for the first time (see this other note for comments about the package itself). Single quotes around ... [Read more...]

R for Publication by Page Piccinini

March 23, 2016 | Page Piccinini

The goal of this course is to give you the skills to do the statistics that are in current published papers, and make pretty figures to show off your results. While we will go over the mathematical concepts behind the statistics, this is NOT meant to be a classical statistics ...
[Read more...]

Lets Begin with something sample

March 23, 2016 | Walter Muruet

The following R-exercises constitute the first set in a series of posts aimed to review fundamental probability and (bio)statistics concepts while learning to use R. Today we will focus on generating random numbers from some of the built-in distributions in R as well as using the sample() function to ... [Read more...]

Upcoming Win-Vector LLC appearances

March 23, 2016 | John Mount

Win-Vector LLC will be presenting on statistically validating models using R and data science at: Strata+Hadoop World “R Day” Tutorial 9:00am–5:00pm Tuesday, March 29 2016, San Jose, California. ODSC San Francisco Meetup, 6:30pm-9:00pm Thursday, March 31, 2016, San Francisco, California. We will share code and examples. Registration required (and Strata is ...
[Read more...]

Visualizing the R packages galaxy

March 23, 2016 | franzk

The idea of this post is to create a kind of map of the R ecosystem showing dependencies relationships between packages. This is actually quite simple to quickly generate a graph object like that, since all the data we need … Lire la suite → [Read more...]

Plotting overlapping prediction intervals

March 23, 2016 | R on Rob J Hyndman

I often see figures with two sets of prediction intervals plotted on the same graph using different line types to distinguish them. The results are almost always unreadable. A better way to do this is to use semi-transparent shaded regions. Here is an example showing two sets of forecasts for ... [Read more...]
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