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 RT @BobMuenchen: How Valuable is a #1 Rating for #Analytics? r4stats.com/2014/04/17/how… #BigData (corrected spelling) 3 days ago
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Category Archives: Uncategorized
r4stats.com 2013 in review
The WordPress.com stats helper monkeys prepared a 2013 annual report for this blog. Here’s an excerpt: The Louvre Museum has 8.5 million visitors per year. This blog was viewed about 150,000 times in 2013. If it were an exhibit at … Continue reading
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Job Trends in the Analytics Market: New, Improved, now Fortified with C, Java, MATLAB, Python, Julia and Many More!
I’m expanding the coverage of my article, The Popularity of Data Analysis Software. This is the first installment, which includes a new opening and a greatly expanded analysis of the analytics job market. Here it is, from the abstract onward … Continue reading
Posted in Analytics, R, SAS, SPSS, Stata, Statistics, Uncategorized
14 Comments
Knoxville R User’s Group Meeting November 1
The next meeting of the Knoxville R User’s Group will consist of four 20minute talks followed by an open planning session. It will take place on Friday, November 1, from 2:00 p.m. to 4:00 p.m. at The University of Tennessee, … Continue reading
Posted in Analytics, R, Statistics, Uncategorized
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Trends in the Analytics Job Market
Tracking the job market for statistics, analytics, data mining and the like used to be a major undertaking. However, on November 10, 2011 the world’s largest web site for job postings, Indeed.com, released a tool that allows you to examine trends … Continue reading
Posted in Analytics, R, SAS, SPSS, Statistics, Uncategorized
8 Comments
Webinar: Managing Data with R
Before you can analyze data, it must be in the right form. Join Revolution Analytics and me this June 21st for a 4hour webinar that shows how to perform the most commonly used data management tasks in R. We will work through … Continue reading
Posted in Data Mangement, R, SAS, SPSS, Uncategorized
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Knoxville R Users Group Formed, Free Training Offered
R is popular free and opensource software for graphics and data analytics. The Knoxville R Users Group is being formed to help people learn R and improve their skills with it. Three departments of The University of Tennessee are working together … Continue reading
Posted in Analytics, R, Statistics, Uncategorized
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R Tackles Big Garbage
April 1, 2013 – Although the capabilities of the R system for data analytics have been expanding with impressive speed, it has heretofore been missing important fundamental methods. A new function works with the popular plyr package to provide these missing … Continue reading
Posted in Analytics, R, SAS, Statistics, Uncategorized
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Comparing Transformation Styles: attach, transform, mutate and within
There are several ways to perform data transformations in R. Each has its own set of advantages and disadvantages. Let’s take one variable, square it and add 100. How many ways might an R beginner screw up such a simple … Continue reading
Posted in Analytics, Data Mangement, R, Uncategorized
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R for SAS, SPSS, Stata Users Workshop Redesigned
My workshop R for SAS, SPSS and Stata Users has been popular over the years, but it’s time for an overhaul. A common request has been to simplify it, so I have moved data management to a separate 4hour workshop, … Continue reading
Posted in Analytics, R, SAS, SPSS, Statistics, Uncategorized
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Specifying Variables in R
R has several ways to specify which variables to use in an analysis. Some of the most frustrating errors can result from not understanding the order in which R searches for variables. This post demonstrates that order, hopefully smoothing your … Continue reading