Blog Archives

Large scale optimization with optim() and RevoScaleR

January 8, 2014
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Large scale optimization with optim() and RevoScaleR

by Derek McCrae Norton - Senior Sales Engineer Optimization is something that I hear clients ask for on a fairly regular basis. There are many problems that a few functions to carry out optimization can solve. R has much of this functionality in the base product, such as nlm(), and optim(). There are also many packages that address this...

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Forget talk like a pirate… Code like a pirate!

September 19, 2013
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Forget talk like a pirate… Code like a pirate!

by Derek McCrae Norton, Senior Sales Engineer To celebrate Talk Like a Pirate Day the best (and by far the nerdiest) way I know how, I thought I would share some R code I wrote a few years back. Some of you will really appreciate the code (but you probably won't let anyone know), and hopefully others will at...

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Extending RevoScaleR for Mining Big Data – Naive Bayes

May 3, 2013
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Extending RevoScaleR for Mining Big Data – Naive Bayes

by Derek McCrae Norton, Senior Sales Engineer In this third installment (following part 1 and part 2) of Extending RevoScaleR for Mining Big Data we look at how to use the building blocks provided by RevoScaleR to create a Naive Bayes model. Motivation: Fit a Naive Bayes model to big data. Naive Bayes is a simple probabilistic classifier based...

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Extending RevoScaleR for Mining Big Data – Discretization

April 12, 2013
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Extending RevoScaleR for Mining Big Data – Discretization

by Derek McCrae Norton, Senior Sales Engineer In this second installment of Extending RevoScaleR for Mining Big Data we look at how to use the building blocks provided by RevoScaleR to transform continuous variables into discrete. Motivation: Discretize continuous variables on big data. Discretization is a technique to convert continuous variables into discrete variables, and it is sometimes useful...

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Extending RevoScaleR for Mining Big Data – Hexbins

April 5, 2013
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Extending RevoScaleR for Mining Big Data – Hexbins

by Derek McCrae Norton, Senior Sales Engineer It is my job to help potential clients see that the tasks they are used to completing can be completed on big data in Revolution R Enterprise (and that it is easy). Honestly, this is my dream job, and in my eyes it is sort of like playing and getting paid for...

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