2067 search results for "ggplot2"

Has the NFL Combine’s 40 yard dash gotten faster ?

March 3, 2013
By
Has the NFL Combine’s 40 yard dash gotten faster ?

Last week on one of my favourite podcasts, ESPN’s Football Today, Matt Williamson & Kevin Weidl discussed the standout prospects from the NFL Combine. A lot of the conversation was around how the 40 yard dash times have improved year on year due to better training technique and specific training for the combine activities. I

Read more »

rstats shiny app for tracking the next pope

March 2, 2013
By
rstats shiny app for tracking the next pope

Update: Apparently this post needs a disclaimer. The probabilities are based on odds published by an online bookmaker. In no way, shape, or form is this an attestation nor algorithmic prediction of who the next Pope will be. The house ALWAYS wins. The odds are developed by the bookmaker as they see fit, this information is not released to the general public...

Read more »

Tools for making a paper

March 1, 2013
By

Since it seems to be the fashion, here’s a post about how I make my academic papers. Actually, who am I trying to kid? This is also about how I make slides, letters, memos and “Back in 10 minutes” signs to pin on the door. Nevertheless it’s for making academic papers that I’m going to

Read more »

Shapefiles in R

February 28, 2013
By
Shapefiles in R

Let's learn how to use Shapefiles in R. This will allow us to map data for complicated areas or jurisdictions like zipcodes or school districts. For the United States, many shapefiles are available from the Census Bureau. Our example will map U.S. nati...

Read more »

New R Workshop in the Bay Area

February 26, 2013
By
New R Workshop in the Bay Area

Practical Data Visualization with R Saturday March 9th, 2013 8:30-5:00pm EBay 2161 North 1st Street San Jose, California I will be presenting a one day professional development workshop on modern data visualization with R, sponsored by the ACM San Francisco Bay … Continue reading →

Read more »

Simplify frequency plots with ggplot in R #rstats

February 25, 2013
By
Simplify frequency plots with ggplot in R #rstats

Update March 5th All downloads are now accessible from my script page! Summary This posting shows how to plot frequency plots using the ggplot-package in R. Compared to SPSS standard outputs, you will learn how to create appealing diagrams ready … Weiterlesen →

Read more »

R Bootcamp Materials!

February 24, 2013
By
R Bootcamp Materials!

Learn about ColoRs in R!Analyze model results with custom functions.Good and Bad GraphicsTo train new employees at the Wisconsin Department of Public Instruction, I have developed a 2-3 day series of training modules on how to get work done in R. These...

Read more »

The Wisdom of Crowds – Clustering Using Evidence Accumulation Clustering (EAC)

February 24, 2013
By
The Wisdom of Crowds – Clustering Using Evidence Accumulation Clustering (EAC)

Today’s blog post is about a problem known by most of the people using cluster algorithms on datasets without given true labels (unsupervised learning). The challenge here is the “freedom of choice” over a broad range of different cluster algorithms and how to determine the right parameter values. The difficulty is the following: Every clustering algorithm and even...

Read more »

Earthquakes in Netherlands

February 24, 2013
By
Earthquakes in Netherlands

In the Netherlands we have Natural Gas. Unfortunately winning this gas seems to cause some quakes. As quakes go, they are not strong. However, our buildings are not made to resist quakes, before 1986 they were unheard of, so there is some damage. It is now predicted they could get stronger and more frequent. This caused a bit of a...

Read more »

Migrating from SPSS to R #rstats

February 22, 2013
By
Migrating from SPSS to R #rstats

Preface I will every now and then post my experience with R, a package for statistical analyses. I try to show some solutions for common types of analyses or problems you are facing when you start working with R. These … Weiterlesen →

Read more »