Monthly Archives: April 2011

Bug Collector

April 26, 2011
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Bug Collector

Most are quite unamused to find an ant infestation in their kitchen around this time of year. Time to start spraying that stuff that's not supposed to be harmful to humans but that you always wonder if it is anyway. Some bugs, such as ant attacks or so...

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Plotting Maps with R

April 26, 2011
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Plotting Maps with R

I stumbled upon this tutorial while not studying and I thought it would be fun to try and plot maps of the San Francisco Bay Area household income, education, population density, poverty, etc...To do this I needed a Shapefile for the Bay Area zip codes similar to the London borough file used in...

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“Inside” Functors

April 26, 2011
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“Inside” Functors

So, WordPress doesn’t like RweaveHTML, so this is posted at http://strugglingthroughproblems.blogspot.com/2011/04/inside-functors.html

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Great FAJ Article on Statistical Measure of Financial Turbulence Part 3

April 26, 2011
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Great FAJ Article on Statistical Measure of Financial Turbulence Part 3

Building on posts Great FAJ Article on Statistical Measure of Financial Turbulence and Great FAJ Article on Statistical Measure of Financial Turbulence Part 2, I will now build a system incorporating a new correlation-based measure of turbulence and a ...

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Revolution R Enterprise 4.3 now available

April 26, 2011
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We've just released the latest update to Revolution R Enterprise, version 4.3. This release includes version 2.12.2 of the open-source R engine linked with high-performance libraries, and packages it with additional functionality from Revolution Analytics for big data statistics, web services deployment, a Windows UI for R programming and debugging, and much more. Detailed information about the new release...

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New functions for linear model inference in Revolution R Enterprise 4.3

April 26, 2011
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The latest release of Revolution R Enterprise shows how Revolution Analytics’ package for big data, RevoScaleR, is continuing add new capabilities for Big Data statistics. RevoScaleR removes the limits on the size of the data that can be processed in R through the use of the highly efficient .Xdf binary file format. Xdf stores data by rows within columns...

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Great FAJ Article on Statistical Measure of Financial Turbulence Part 2

April 26, 2011
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Great FAJ Article on Statistical Measure of Financial Turbulence Part 2

I did not intend for this to be a multi-part series, but after some clear thinking at the beach over the weekend, I decided that it needed some more analysis.  For those of you that read the article or know Mahalanobis distance, the measure I pre...

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Automatically Save Your Plots to a Folder

April 26, 2011
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Automatically Save Your Plots to a Folder

Suppose you're working on a problem that involves a loop for calculations. At each iteration inside the loop, you want to construct a plot. Not only do you want to see the plot, but you would like to save each plot for a presentation, report or paper...

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Automatically Save Your Plots to a Folder

April 26, 2011
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Automatically Save Your Plots to a Folder

Suppose you're working on a problem that involves a loop for calculations. At each iteration inside the loop, you want to construct a plot. Not only do you want to see the plot, but you would like to save each plot for a presentation, report or paper...

Read more »

Bayesian job in Cambridge

April 26, 2011
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Bayesian job in Cambridge

Here is an email that could appeal to some readers: Job in Cambridge MRC-BSU – Bayesian statistician Career development fellow MRC Biostatistics Unit, Cambridge We are offering an exciting opportunity to work on Bayesian models for infectious disease dynamics. A statistician is required to contribute to a programme of research to develop inferential approaches to

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