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Monthly Archives: September 2013
Prime Time Calculation
Number theory has always interested me, specifically irrational numbers and prime numbers. I was messing around with functions in R and came up with a very neat ‘one line’ function in R that checks if a number is prime. See … Continue reading
Quick Data Tip in R and Excel
Last week, a colleague showed me a trick in excel. And it really bugs me when you can do something in excel that R can not do easily. So I gave it some thought and came up with a solution. … Continue reading
Approaching Data Analysis
All data analysis projects start with a problem. We (hopefully) form a hypothesis before exploring the data, and we go about trying to confirm/disprove hypotheses with statistical procedures. These statistical procedures could be a simple ttest, a more complicated nonparametric … Continue reading
Philosophy and Purpose
A little over a year ago, I transferred from working on applied mathematics in academia to working in the industry as a data analyst. Like any person that leaves the academic bubble, the outside world is very different from expectations. … Continue reading