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In case you missed them, here are some articles from January of particular interest to R users. 

Animated visualizations and analysis of data from NYC's municipal bike program, created with R.

Many local R user groups are sharing materials from meetups using Github.

by Przemyslaw Biecek

The first meeting of R users in Poland took place in Wroclaw in 2008. It was a one-day conference with 27 participants and 6 talks.

If you have a database of credit-card transactions with a small percentage tagged as fraudulent, how can you create a process that automatically flags likely fraudulent transactions in the future? That's the premise behind the latest Data Science Deep Dive on MSDN.

Here's another wonderful illusion. In the animated GIF below, you may see the woman rotating to the right, to the left, or bouncing from the left to the right.

We had a fantastic turnout to last week's webinar, Introduction to Microsoft R Open. If you missed it, you can watch the replay below.

If you're one of those people that dreads long plane flights, this map by Matt Strimas-Mackey will help you find routes to avoid. It shows Wikipedia's list of the top 30 scheduled commercial flights by distance (with code-share duplicates removed), represented as a map showing the routes colour-coded by the time spent in the air.

There's more to Iowa than just today's presidential primary. Last month, the Central Iowa R User Group hosted Dr. Max Kuhn, Director of Non-Clinical Statistics at Pfizer Global R&D, via video-chat to present on Applied Predictive Modeling with R.

When I used to play pinball competitively, people would always express surprise that pinball was actually a competitive game. It's not just about randomly bouncing balls: there's quite a lot of skill in the nudging and, especially, controlling the balls using the flippers. If you've tried to play a game or two at the local bar and been frustrated by the ball going anywhere except where you want it to go, here are a few tricks to help you with your game: