2419 search results for "ggplot"

CrossFit weights: gender matters less than you’d think

April 17, 2013
By
CrossFit weights: gender matters less than you’d think

Exploring Gaussian Mixture Models Exploring Gaussian Mixture Models This week in the Empirical Research Methods course, we've been talking a lot about measurement error. The idea of having some latent variable of interest, coupled with 'flawed' measures reminded me of a section of Cosma's course I really enjoyed, but haven't gotten a change to go...

Read more »

big geo-data visualisations

April 17, 2013
By
big geo-data visualisations

Spotting international conflict is very easy with the GDELT data set, combined with ggplot and R. The simple gif above shows snapshots of Russian/Soviet activity from January 1980 and January 2000. I think it also illustrates how Russia nowadays looks more to the east and the South than during the Cold War. The trend, though...

Read more »

Plotting data over a map with R

April 16, 2013
By
Plotting data over a map with R

After searching for a few hours on the web, I’ve been able to get my R code working and plot breast cancer data on a world map. It might not the best looking map possible (R graphics is incredible!), but I am happy with that for now.To produce the map I used the “maps” package available through CRAN repository....

Read more »

How long is the average dissertation?

April 15, 2013
By
How long is the average dissertation?

The best part about writing a dissertation is finding clever ways to procrastinate. The motivation for this blog comes from one of the more creative ways I’ve found to keep myself from writing. I’ve posted about data mining in the past and this post follows up on those ideas using a topic that is relevant

Read more »

Mapping the GDELT data (and some Russian protests, too)

April 15, 2013
By
Mapping the GDELT data (and some Russian protests, too)

(This article was first published on Quantifying Memory, and kindly contributed to R-bloggers) In this post I show how to select relevant bits of the GDELT data in R and present some introductory ideas about how to visualise it as a network map. I've included all the code used to generate the illustrations. Because of this, if you here...

Read more »

The OpenStreetMap Package Opens Up

April 14, 2013
By
The OpenStreetMap Package Opens Up

A new version of the OpenStreetMap package is now up on CRAN, and should propagate to all the mirrors in the next few days. The primary purpose of the package is to provide high resolution map/satellite imagery for use in your R plots. The package supports base graphics and ggplot2, as well as transformations between spatial coordinate

Read more »

Win Your Snake Draft: Calculating “Value Over Replacement” using R

April 14, 2013
By
Win Your Snake Draft: Calculating “Value Over Replacement” using R

In prior posts, I have demonstrated how to download, calculate, and compare fantasy football projections from ESPN, CBS, and NFL.com and how to calculate players' risk levels. In this post, I will demonstrate how...

Read more »

Win Your Snake Draft: Calculating “Value Over Replacement” using R

April 14, 2013
By
Win Your Snake Draft: Calculating “Value Over Replacement” using R

In prior posts, I have demonstrated how to download, calculate, and compare fantasy football projections from ESPN, CBS, and NFL.com and how to calculate players’ risk levels. In this post, I will demonstrate how to win your snake The post Win Your Snake Draft: Calculating "Value Over Replacement" using R appeared first on Fantasy Football Analytics.

Read more »

Continuing Sync

April 14, 2013
By
Continuing Sync

I am continuing in Sync: How Order Emerges from Chaos in the Universe, Nature, and Daily Lifeby Steven Strogatz. To get a feeling on it, I was building a group of things which have only a minute influence on each other are able to synchronize thei...

Read more »

Motivating Students

April 13, 2013
By
Motivating Students

Figure shown to students in a particular class to show the effect of slacking after the mid-semester grades are received.Background information: A course has multiple components - Exams, projects, quizzes, assignments, etc. The objective of this set of...

Read more »