Blog Archives

R Bootcamp @ Sector67 in Madison

February 6, 2013
By

I am pleased to announce that together with Justin Meyer (also from the Wisconsin Department of Public Instruction) I will be presenting a two hour version of the R Bootcamp. Sector67 is a collaborative maker/hacker space in Madison, and is a great ven...

Read more »

Data Visualization for Education

February 3, 2013
By

Recently I was invited to give a talk to two cohorts of Strategic Data Project fellows. I was asked to speak about using data visualization to help inform decision-making of policy makers. At the same time, the group had a lot of variation in their int...

Read more »

Shiny Apps

January 11, 2013
By
Shiny Apps

I have been working on developing some interactive tools for demonstrating statistical principles. The advent of the shiny framework for R from the RStudio team has made this very easy to do. These demos are still in the development...

Read more »

Picking Lotto Numbers

November 28, 2012
By

There's not a lot you can do to increase your odds of winning the lottery tonight. With the PowerBall at $500 million though, a lot of otherwise rational folks might be tempted into playing. For those of you newly tempted, it is important to remember a...

Read more »

eeptools 0.1 Available on CRAN Now!

September 26, 2012
By

eeptools 0.1 is available now on CRAN! You can install it by simply typing:install.packages('eeptools')in your R console now. The package allows users to play with a number of built in datasets for folks in education beginning to learn R, custom themes...

Read more »

Converting a Markdown File to PDF Using Pandoc

September 9, 2012
By

Working with knitr and markdown is a great way to share quick reports with colleagues, but in cases where IE8 is still the dominant browser, shipping an HTML file with embedded graphics is a non-starter. IE8 does not support the Data URI format used to...

Read more »

On School Boards and Policy Shocks

August 31, 2012
By
On School Boards and Policy Shocks

The dissertation process has many steps. The prospectus or proposal is one of the last. Awhile ago I was lucky enough to have my dissertation proposal defense and pass!  My project is seeking to understand the linkage between political activity at...

Read more »

A Chlorpleth Map of Free and Reduced Price Lunch in R

August 26, 2012
By
A Chlorpleth Map of Free and Reduced Price Lunch in R

Charles Blow has an excellent op-ed in the New York Times about public education this week. The most important point he makes is that the defunding of public education is coming at precisely the time when American school children are most vulnerable:No...

Read more »

Announcing eeptools

July 22, 2012
By

The LDS_TOOLS package for R has been replaced by the new eeptools package. I am renaming the package for a number of reasons. First, LDS is a technical industry term in education that stands for Longitudinal Data Systems, which is not commonly known an...

Read more »

Sourcing an R Script from Dropbox

July 14, 2012
By

Working on my R bootcamp materials and I thought it would be handy to get the bootcamp computers setup by sourcing an R script that will install all necessary non-core packages in it. The problem? How to deploy this script efficiently. A quick method w...

Read more »