1728 search results for "Excel"

Review: Kölner R Meeting 30 March 2012

April 4, 2012
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Review: Kölner R Meeting 30 March 2012

The first Kölner R user meeting was great fun. About 20 useRs had turned up to exchange their ideas, questions and experience with R. Three talks about R & Excel, ggplot2 & XeLaTeX and Dynamical systems with R & simecol had kicked off the evening, wit...

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Web-Scraping in R

April 2, 2012
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Web-Scraping in R

Web-scraping, or web-crawling, sounds like a seedy activity worthy of an Interpol investigative department. The reality, however, is far less nefarious. Web-scraping is any procedure by which someone extracts data from the internet. Given that it’s possible to get the internet on computers these days; web-scrapping opens an array of interesting possibilities to social-science researchers

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An unabashedly narcissistic data analysis of my own tweets. The…

April 2, 2012
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An unabashedly narcissistic data analysis of my own tweets.
The…

pie( table( whence.i.tweet )) qplot( whence ) + coord_polar() pie( log( table( whence )))+RColorBrewer ggplot (see below) plot( density( tweets.len )) qplot(... stat="density") + geom_density qplot(...stat="bin") + geom_text(...) tweeple tweep...

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Simple data mining and plotting data on a map with ggplot2

April 2, 2012
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Simple data mining and plotting data on a map with ggplot2

In this post I use OpenStreetsMaps and ggplot2 to plot geographically were psychologists live, using data from a facebook document.

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Simple data mining and plotting data on a map with ggplot2

April 2, 2012
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Simple data mining and plotting data on a map with ggplot2

Introduction A Facebook group for psychologists in Sweden created a document where each member could type in were they live and what they work with. At the moment 192 psychologists have added their information to the document. This made me think about how to plot this information using R, and especially how to read data in this format. I was...

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Ggplot2, PubMed citation frequency and DSM-IV Axis I disorders by year

March 31, 2012
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Ggplot2, PubMed citation frequency and DSM-IV Axis I disorders by year

I searched PubMed for several major DSM-IV disorders and downloaded the hits. Using ggplot2 I plotted the number of publications each year for each disorder.

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Ggplot2, PubMed citation frequency and DSM-IV Axis I disorders by year

March 31, 2012
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Ggplot2, PubMed citation frequency and DSM-IV Axis I disorders by year

Introduction I an earlier post I used ggplot2 to plot publication count by year for different psychotherapy orientations. I'm using an updated version of that R-code in this post to plot publication count for several major DSM-IV disorders. It's basically like a very simple discourse analysis. The search string I searched for the following disorders: Depression, Bipolar disorder, Post-Traumatic Stress Disorder (PTSD), Attention-Deficit/Hyperactivity Disorder (ADHD), Obsessive-Compulsive Disorder (OCD),...

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See how Deloitte uses R for actuarial analysis

March 29, 2012
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Many thanks to Jim Guszcza (Predictive Analytics lead at Deloitte Consulting and Assistant Professor at UW-Madison) who gave a great webinar presentation yesterday on actuarial analysis with R. Jim's demo (starting at the 20 minute mark in the video replay below) is a great way to get a sense of how R is used for exploratory data analysis and...

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Updates to the Deducer family of packages

March 29, 2012
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Over the past month there have been a number of package updates in the deducer ecosystem. Deducer is a general purpose, extensible, data analysis GUI. It is designed to be a free easy to use alternative to proprietary data analysis software such as SPSS, JMP, and Minitab. It has a menu system to do common

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R: ifelse statements with multiple variables and NAs

March 27, 2012
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ifelse statements in R are the bread and butter of recoding variables. Normally these are pretty easy to do, particularly when we are recoding off one variable, and that variable contains no missing values. There are lots of examples on how to do this ...

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