Introduction to the R Programming Language at Sector 67 2/7/13
A colleague and I are giving a presentation on R next month at Sector 67, Madison Wisconsin’s hackerspace. Here’s a link to the class: http://www.sector67.org/classes.php?class_id=93 And the...
View ArticleIntroduction to R Programming at Sector 67 Materials
The Introduction to R Programming class at Sector67 earlier this month was a great experience. I’m very happy to have helped some new users to get started in R. If you couldn’t make it and want to see...
View ArticleNew Madison, WI R Programming UseRs Group (MadR)
Live in Madison, Wisconsin? Join the Madison R programming users group to learn more about R and contribute to the community. I just started it and am looking for members and presenters. You can find...
View ArticleCalling for Presenters for the Madison R Meetup!
Want to present at the Madison R meetup or know someone who might? I’m looking for both short (5 to 30 minutes) and long presentations for future meetups. Short presentations will be grouped with...
View ArticleAutomated R Blogging (How To Capitalize Specific Letters in a String with R)
In the woRld of R blogging it can sometimes be fun to wRite with all the Rs capitalized. This is entertaining for both the author and the reader but not very efficient. It’s tough to remember to...
View ArticleCalculate Pi in R
R has a built in function for pi but for pi day (3/14) I thought it would be fun to program R to calculate pi. I found a formula called Nilicantha’s formula: # pi = 3 + 4/(2*3*4) – 4/(4*5*6) +...
View ArticleR Baby Height Predictor
Not surprisingly, parents are interested in knowing what their future children will be like. One topic of interest is how tall their child will be as an adult. As you might expect, height is somewhat...
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Thanks to Revolution Analytics for Sponsoring Madison R Meetup Group!
Thanks to Revolution Analytics for sponsoring the MadR Madison R users meetup group! We really appreciate it. During a meeting we filled out the application and we were surprised not long after with a...
View ArticleFizz Buzz Interview Test in R
Apparently a common programming interview test is to have the candidate write a program that meets the following requirements: Print the numbers from 1 to 100 When the number is a multiple of 3 print...
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Thanks to Microsoft for Sponsoring the Madison, Wisconsin R Meetup
A big thanks to Microsoft for sponsoring the Madison, Wisconsin R Meetup. We appreciate their donation of $120 for Meetup fees as well as a monkey, t-shirts, stickers and a sign. Gifts from Microsoft!...
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Phone Pad Interview Test Solution in R
Phone Pad Interview Test Solutions in R If you are interviewing for a programming job you may be asked to demonstrate your skills by solving a programming problem. One classic interview question is...
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Zombie Dice Simulation
A while back at an MadR Meetup hack night I spent some time working on a way to simulate the game Zombie Dice. Zombie Dice is made up of 13 six-sided dice, six green, five yellow, and three red. Each...
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