May 2016

Intro to ggplot2

May 25, 2016 | HighlandR

Here is the link to a ggplot2 demo I presented at the InveRness RUG last week : intro to ggplot2 It’s in ioslides (html) format, for best viewing press F on your keyboard for full screen, and toggle widescreen on/off with the W key. It?... [Read more...]

Intro to ggplot2

May 25, 2016 | HighlandR

Here is the link to a ggplot2 demo I presented at the InveRness RUG last week : intro to ggplot2 It’s in ioslides (html) format, for best viewing press F on your keyboard for full screen, and toggle widescreen on/off with the W key. It?... [Read more...]

Predictive Maintenance for Aircraft Engines

May 25, 2016 | David Smith

Recently, I wrote about how it's possible to use predictive models to predict when an airline engine will require maintenance, and use that prediction to avoid unpleasant (and expensive!) delays for passengers on the ground. Planes generate a lot of data that can be used to make such predictions: today’... [Read more...]

Divide by 4 Rule for Marginal Effects

May 25, 2016 | Matt Bogard

Previously I wrote about the practical differences between marginal effects and odds ratios with regard to logistic regression. Recently, I ran across a tweet from Michael Grogan linking to one of his posts using logistic regression to model dividend probabilities. This really got me interested:"Moreover, to obtain a measure ... [Read more...]

I’m leading the Accra R-User Meetups!

May 24, 2016 | Amit

I am not sure how, but I found Data Science Africa, whose mission it is to promote data science in Africa. For now, they are limited to organizing and running meetups across Africa, mostly focused on R, although there are higher albeit more ambitious targets. Anyway, since I’m in ... [Read more...]

Lattice exercises – part 2

May 24, 2016 | Matteo Renzi

In this set of exercises we will use lattice package. Firstly, we have to install this package with command install.packages("lattice") and then we will call it library(lattice) . Lattice package permits us to create univariate, bivariate and trivariate plots. For this set of exercises we will see trivariate ... [Read more...]

Principal Components Regression in R: Part 2

May 24, 2016 | Joseph Rickert

by John Mount Ph. D. Data Scientist at Win-Vector LLC In part 2 of her series on Principal Components Regression Dr. Nina Zumel illustrates so-called y-aware techniques. These often neglected methods use the fact that for predictive modeling problems we know the dependent variable, outcome or y, so we can use ... [Read more...]

Setting Up New R Notebook

May 24, 2016 | data_steve

Today Noam Ross’ tweet about his experience with the new R Notebooks from RStudio got me excited. Can not find a GIF to properly convey the joy + wreckage of me messing around with the internals of the new #rstats notebook stuff.— Noam Ross (@noamross) May 23, 2016 Couple that with the release ... [Read more...]

Time Series Clustering in Tableau using R

May 24, 2016 | Bora Beran

Clustering is a very common data mining task and has a wide variety of applications from customer segmentation to grouping of text documents. K-means clustering was one of the examples I used on my blog post introducing R integration back in Tableau 8.1. Many others in Tableau community wrote similar articles ...
[Read more...]

Early bird registration for R in Insurance closes 30 May

May 24, 2016 | Markus Gesmann

Hurry! The early bird registration offer for the 4th R in Insurance conference, 11 July 2016, at Cass Business School closes 30 May.This one-day conference will focus once more on applications in insurance and actuarial science that use R, the lingua franca for statistical computation. Topics covered include reserving, pricing, loss modelling, ...
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Harvesting more Canadian climate data

May 24, 2016 | Gavin L. Simpson

A while back I wrote some code to download climate data from Government of Canada’s historical climate/weather data website for one of our students. In May this year (2016) the Government of Canada changed their website a little and the API code that responded to requests had changed URL ...
[Read more...]
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