1270 search results for "Excel"

Software for Research, Part 3: [R], RStudio and ggplot2 for Statistics

October 17, 2011
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Software for Research, Part 3: [R], RStudio and ggplot2 for Statistics

is an excellent open-source statistics language. It's cross-platform and free and I think it will eventually displace proprietary stat's packages due to its rapid development, speed and ease of use. So there's no time like the present to get used...

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Linear mixed models in R

October 16, 2011
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A substantial part of my job has little to do with statistics; nevertheless, a large proportion of the statistical side of things relates to applications of linear mixed models. The bulk of my use of mixed models relates to the … Continue reading →

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plyr, ggplot2 and triathlon results, part II

October 13, 2011
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plyr, ggplot2 and triathlon results, part II

I ended my previous post by mentioning how one could imagine other ways of looking at the triathlon data with plyr and ggplot2. I couldn’t help but carry on playing with it so here are more stats and graphs from … Continue reading →

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What does it mean to be a Data Scientist?

October 12, 2011
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Check out this talk by John Rauser of AMZN at the 2011 Strata Conf. It is an excellent intro to the field.

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The Work of the 1 Percent and the 0.1 Percent

October 10, 2011
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The Work of the 1 Percent and the 0.1 Percent

The Occupy Wall Street movement chants "We are the 99 percent, you are the 1 percent." It's a catchy refrain, and there are many excellent reasons to put the focus on Wall Street in the struggle for economic and political justice in the US. But even singling out one percent of the US means we

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Top 50 Statistics blogs

October 10, 2011
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TheBestColleges.org has just published their list of the "Top 50 Statistics Blogs of 2011", and I'm pleased say that not only did our own Revolutions blog make the list, but it's in fine company with some truly excellent blogs. Several of my personal favourites made the list, including: Guardian columnist Ben Goldacre's Bad Science blog The Dataists, a blog...

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An exercise in plyr and ggplot2 using triathlon results

October 10, 2011
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An exercise in plyr and ggplot2 using triathlon results

I ran my last triathlon for this year a couple of weeks ago, in the beautiful town of Stratford-upon-Avon. The results were online the day after so I decided to have a look at my fellow competitors’ times, which gave … Continue reading →

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Some light data munging with R, with an application to ranking NFL Teams

October 8, 2011
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Some light data munging with R, with an application to ranking NFL Teams

I recently submitted this blog to R-bloggers, which aggregates R-related blog posts. It's a fantastic site and has been invaluable to me as I've learned R. One of my favorite kinds of articles is the hands-on, "hello world"-style weekend project t...

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Because it’s Friday: Reviews of Random Digits

October 7, 2011
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If you dig around enough on Amazon.com, you can find some pretty odd products (like the Badonkadonk tank now sadly unavailable). Attached to these products you can often find a new form of comedy: the funny Amazon review. The products that attract such attention can be hard to fathom: this gallon of milk has more than 1,000 reviews. (Sample:...

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Webinar Oct 13: Successful uses of R in Banking

October 6, 2011
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On Thursday October 13, Hong Ooi from ANZ (Australia and New Zealand Banking Group) will give a webinar presentation on Successful Uses of R (along with SAS and Excel) in Banking. We've covered Hong's use of R for credit risk analysis here on the blog before, and in next week's webinar he'll take an in-depth look at applying R...

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