1253 search results for "excel"

Galton & simulation

September 27, 2010
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Galton & simulation

Stephen Stigler has written a paper in the Journal of the Royal Statistical Society Series A on Francis Galton’s analysis of (his cousin) Charles Darwin’ Origin of Species, leading to nothing less than Bayesian analysis and accept-reject algorithms! “On September 10th, 1885, Francis Galton ushered in a new era of Statistical Enlightenment with an address

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Complex-valued linear models

September 16, 2010
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Complex-valued linear models

Someone has probably already written code to do this. But I couldn’t find it in CRAN, so here goes. Oh no lm() won’t take complex numbers! (or rather, it’ll take them, but it’ll discard the imaginary part.) Easy enough fix. … Continue reading →

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Introducing RevoDeployR: Web Services for R

September 14, 2010
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Today, Revolution Analytics announced another add-on to R as part of Revolution R Enterprise. RevoDeployR is a Web Services framework for R, designed to make it easy to scalably and securely integrate computations done in R into other applications like spreadsheets and web pages. The idea is simple: as an R programmer, you can create a script in R...

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Some useful bar plots using R

September 14, 2010
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Some useful bar plots using R

In this article I am trying to show how to produce bar plots using R. Many of my friends think SPSS is the most useful software for producing plots and they keep using it (some of them even use Excel!). My goal is to show that R can do every type of g...

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Some useful bar plots using R

September 14, 2010
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Some useful bar plots using R

In this article I am trying to show how to produce bar plots using R. Many of my friends think SPSS is the most useful software for producing plots and they keep using it (some of them even use Excel!). My goal is to show that R can do every type of graphs that other commercial softwares can do....

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What can other languages learn from R?

September 9, 2010
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What can other languages learn from R?

At the ASA Statistical Computing Award ceremony in Vancouver last month, R's co-creator Ross Ihaka said that R began as a "system that was functional and well-designed, and made it easy and fun for other people to help". R's other co-creator, Robert Gentleman, also described the ability of others to contribute as "the exit strategy" that made R so...

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Webinar September 22: Deploying R

September 8, 2010
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In 2 weeks, on Wednesday September 22, I'll be hosting a webinar in conjunction with Andrew Lampitt at Jaspersoft. This new webinar is all about how to Deploy R: in other words, how to use the new server-based capabilities of Revolution R Enterprise 4 for Linux to embed the results of R scripts into applications and web pages. One...

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R Reshape Package

September 6, 2010
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R Reshape Package

Some of you may know this R reshape package already, I have started to play with it after the post Handling Large CSV Files in R. It is really an excellent one worthing a new post to introduce formally.What is reshape package? reshape: Flexibly reshape data, Reshape lets you flexibly restructure and aggregate data using just two...

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Canterbury Earthquake

September 6, 2010
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Canterbury Earthquake

4:35 am on Saturday morning, I was woken up by a 7.1 magnitude earthquake, the epicentre being approximately 30 km west of where I live in Christchurch, New Zealand. The earthquake was one of the largest that New Zealand has experienced, and has been the most destructive one since the earthquake that struck Napier in 1931. Thankfully, the...

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Canterbury Earthquake

September 6, 2010
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Canterbury Earthquake

4:35 am on Saturday morning, I was woken up by a 7.1 magnitude earthquake, the epicentre being approximately 30 km west of where I live in Christchurch, New Zealand. The earthquake was one of the largest that New Zealand has experienced, and has been the most destructive one since the earthquake that struck Napier in 1931. Thankfully, the...

Read more »