1369 search results for "rstudio"

Hierarchical Clustering with R (feat. D3.js and Shiny)

December 14, 2014
By
Hierarchical Clustering with R (feat. D3.js and Shiny)

Agglomerative hierarchical clustering is a simple, intuitive and well-understood method for clustering data points. I used it with good results in a project to estimate the true geographical position of objects based on measured estimates. With this tutorial I would … Continue reading →

Read more »

UEFA Champions League Round of 16 draw

December 13, 2014
By
UEFA Champions League Round of 16 draw

Each year after the group stage, there is the much awaited drawing of the eighth-final, which essentially defines a team’s fate. So far the thing is not too complicated, as there are 16 teams out of which we need to generate 8 games – no problem if it would be possible to draw the teams without

Read more »

An introduction to rtsetse, a detailed population simulation in R

December 11, 2014
By
An introduction to rtsetse, a detailed population simulation in R

In this post I introduce R code to simulate tsetse fly populations I’m developing for the Liverpool School for Tropical Medicine starting in 2014. I will outline some background and point you to the code and user interface that are under development. In subsequent posts I’ll cover particular aspects of implementation. African sleeping sickness is a serious...

Read more »

Revolution R Open 8.0.1 now available

December 11, 2014
By
Revolution R Open 8.0.1 now available

We've just made the latest update to Revolution R Open, the enhanced distribution of open-source R, available for download from MRAN. The main feature of this release is an upgrade to the R 3.1.2 engine, and support for MacOS Yosemite. (You can read about all the changes in the NEWS file.) To support reproducibility, Revolution R Open works with...

Read more »

Use hidden advanced arguments for user-friendly functions

December 10, 2014
By
Use hidden advanced arguments for user-friendly functions

As a user Imagine that you are starting to learn how to use a specific R package, lets call it foo. You will look at the vignette (if there is one), use help(package = foo), or look at the reference manual (for example, devtools' ref man). Eventually, you will open the help page for the function(s) you are interested...

Read more »

Look! It’s your data!

December 10, 2014
By
Look! It’s your data!

If a picture is worth a thousand words, then how many tables are a single visualization worth? Exploratory data analysis is a great way to see what is and is not in your dataset. I work in a hospital research… Continue reading →

Read more »

Set up R/Stan on Amazon EC2

December 10, 2014
By

A few months ago I posted the script that I use to set up my R/JAGS working environment on an Amazon EC2 instance.Since then I've largely transitioned to using R/Stan to estimate my models. So, I've updated my setup script (see below). There are a few...

Read more »

Tim Bowles on multivariate stats with vegan

December 9, 2014
By

Today, Tim Bowles gave this presentation on the vegan package to the Davis R Users’ Group. The screencast and slides are below. You can also download Tim’s RStudio project with all the code, data, figures, and slides presented here. Thanks to Tim for a great session!

Read more »

tidyr 0.2.0 (and reshape2 1.4.1)

December 8, 2014
By
tidyr 0.2.0 (and reshape2 1.4.1)

tidyr 0.2.0 is now available on CRAN. tidyr makes it easy to “tidy” your data, storing it in a consistent form so that it’s easy to manipulate, visualise and model. Tidy data has variables in columns and observations in rows, and is described in more detail in the tidy data vignette. Install tidyr with: install.packages("tidyr")

Read more »

Visualize Prospect Theory

December 5, 2014
By
Visualize Prospect Theory

Cool Prospect Theory Visualizer draws the curves for you. The post Visualize Prospect Theory appeared first on Decision Science News.

Read more »