Articles by strictlystat

R is a Language: Treat it Like One

June 30, 2014 | strictlystat

I'm helping out with teaching a class on an introduction to R for students this week. I figured it'd be a good time to discuss my thoughts on programming in R and how a newcomer should feel about learning the language. Those Who Teach R, Should Use R Many of ... [Read more...]

Be Careful with Using Model Design in R

June 25, 2014 | strictlystat

In R, useful functions for making design matrices are model.frame and model.matrix. I will to discuss some of the differences of behavior across and within the two functions. I also have an example where I have run into this problme and it caused me to lose time. Using ... [Read more...]

Making Back-to-Back Histograms

June 10, 2014 | strictlystat

A colleage of mine asked me how to do back to back histograms (instead of on top of each other). I feel as though there should be a function like voilin plot from the vioplot package. Voilin plots are good for displaying data, but the violin must have the left ... [Read more...]

SMART Hackathon: Day 1

May 1, 2014 | strictlystat

So day 1 of the #JHUSMARTHack 2014 is over and day 2 is underway. It's been awesome. One student estimated he did “one week's worth of work”. Some interesting (I think) things I thought about: Flooding rain is good weather for coding. (As long as no sinkholes arise) The Admiral Fell Inn is ... [Read more...]

SMART Hackathon 2014

April 30, 2014 | strictlystat

Today is our SMART group's 2014 Hackathon! We will be at an undisclosed location, just plugging away at code/packages/apps. The mission statement: There's no structure except that you have to work on a software project and you have to present what you accomplished or didn't at a subsequent SMART ... [Read more...]

brainR: Put your brain on the Cloud!

April 29, 2014 | strictlystat

In my work, we have come across problems where we wanted to visualize data in 4 dimensions (4D). The data came as brains, which are represented as 3D volumes and we wanted to visualize them at different time points (hence 4D). We were using images that are acquired one image per ... [Read more...]

ENAR 2014 Searcher #ENAR2014

March 12, 2014 | strictlystat

To those going to ENAR this year: Are you trying to find who’s presenting at ENAR from your department but all that pdf searching got you down?  Are you trying to make an itinerary but dislike copying and pasting from a pdf?  Well I have a Shiny App for ... [Read more...]
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