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Category Archives: Data Mangement
GroupBy Modeling in R Made Easy
There are several aspects of the R language that make it hard to learn, and repeating a model for groups in a data set used to be one of them. Here I briefly describe R’s builtin approach, show a much … Continue reading
Posted in Data Mangement, Data Science, R, Uncategorized
8 Comments
R Training at Nicholls State University
I’ll be presenting two workshops backtoback at Nicholls State University in Thibodaux Louisiana June 1416. The first workshop will cover a broad range of R topics. Each topic will include a brief comparison to how R differs from the popular … Continue reading
Posted in Analytics, Data Mangement, Data Science, R, Uncategorized
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Adding the SPSS MEAN.n Function to R
SPSS contains a very useful set of functions that R lacks. If you’re lucky enough to have access to SPSS, you can use SPSS and R very well together. If not, it’s easy to add these functions to R. The … Continue reading
Posted in Analytics, Data Mangement, R, SPSS, Uncategorized
11 Comments
R Workshops Updated to Include the Latest Packages
Two new R packages are quickly becoming standards in the R community: Hadley Wickham’s dplyr and tidyr. The dplyr package almost completely replaces his popular plyr package for data manipulation. Most importantly for general R use, it makes it much easier … Continue reading
Posted in Analytics, Data Mangement, R, Uncategorized
4 Comments
Learn to Manage Data at useR! 2014 or Online April 25
Before you can analyze data, it must be in the right form. Join me on April 25th for a 4hour webinar that shows how to perform the most commonly used data management tasks in R. We will work through handson examples of … Continue reading
Posted in Analytics, Data Mangement, R, Statistics
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Learn R and/or Data Management from Home January or April
If you want to learn R, or improve your current R skills, join me for two workshops that I’m offering through Revolution Analytics in January and April. If you already know another analytics package, the workshop, Intro to R for … Continue reading
Learn R and/or Data Management from Home October 711
If you want to learn R, or improve your current R skills, join me for two workshops that I’m offering through Revolution Analytics in October. If you already know another analytics package, the workshop, Intro to R for SAS, SPSS … Continue reading
Posted in Analytics, Data Mangement, R, SAS, SPSS, Statistics
Tagged research, software
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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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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
11 Comments