1502 search results for "tutorial"

A Quick and Dirty Guide to Exploratory Data Visualization

July 20, 2013
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A Quick and Dirty Guide to Exploratory Data Visualization

One of the things I've noticed teaching statistical fundamentals or working with colleagues is the lack of focus on first visually exploring the data.  Novices seem to want to jump right in with correlations and statistical tests without getting a...

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Column-Major Confusion

July 19, 2013
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As a programmer coming from a language like C I am used to understanding multidimensional arrays in the following way:int matrix = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 9 }};Understandably, this is a little bit of a setback when trying to ...

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Evaluating the Potential Incorporation of R into Research Methods Education in Psychology

July 17, 2013
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I was recently completing some professional development activities that required me to write a report on a self-chosen topic related to diversity in student backgrounds. I chose to use the opportunity to reflect on the potential for using R to teach psychology students research methods. I thought I'd share the report in case it interests anyone. Abstract...

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Deepen your R experience with Rcpp

July 17, 2013
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Deepen your R experience with Rcpp

by Joseph Rickert It is very likely that even a very casual observer what is happening in the world of R these past few months would have come across some mention of Rcpp, the R package that greatly facilitates R and C++ integration. Rcpp is hot! Over 130 R packages now depend on Rcpp and it is likely to...

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Exploring Networks with Sankey

July 16, 2013
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Exploring Networks with Sankey

Motivated by a tweet from Tony Hirst (http://blog.ouseful.info/), I started experimenting with an rCharts implementation of the d3 sankey plugin.  While I was putting together examples, I found lots of gaps in my knowledge of sankeys and network a...

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Creating publication quality graphics using R

July 15, 2013
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Creating publication quality graphics using R

As part of a one-day workshop, I have developped an online tutorial on how to create publication quality graphics using R (from an academic point of view). The tutorial can

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useR 2013

July 15, 2013
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useR 2013

Four days sunshine, heat and R – isn’t that a dream? Well, I guess for some this would be a nightmare, but that depends if you like heat or not. And it was hot: at 21:00 it was still 35 degrees in the sun. So that aspect is covered, and we can move on to

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Partial Least Squares Regression in R

July 14, 2013
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Partial Least Squares Regression in R

Partial Least Squares Regression:This week I will be doing some consulting around Structural Equation Modeling (SEM) techniques to solve a unique business problem.  We are trying to identify customer preference for various products and traditional regression is not adequate because of the high dimensional component to the data set along with the multi-colinearity of the variables.  PLS is a...

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useR 2013 was a blast!

July 14, 2013
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useR 2013 was a blast!

I had a great time at useR 2013 in Albacete, Spain. The food was great, the people were fun and the weather was hot. A pleasant surprise was that I won the useR data analysis contest with my submission “Modeling Match Results in La Liga Using a Hierarchical Bayesian Poisson Model.” It was a fun exercise modeling football...

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Course Materials from useR! 2013 R/Bioconductor for Analyzing High-Throughput Genomic Data

July 12, 2013
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At last week's 2013 useR! conference in Albacete, Spain, Martin Morgan and Marc Carlson led a course on using R/Bioconductor for analyzing next-gen sequencing data, covering alignment, RNA-seq, ChIP-seq, and sequence annotation using R. The course mate...

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