2315 search results for "twitteR"

RStudio is good for you

April 29, 2011
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RStudio is good for you

I was recently introduced to RStudio, a new integrated development environment for R, it is just amazing! It is free, and open, compatible with PC/Mac/Linux OSs. You can also choose to run it in the cloud, and access it from your favorite web browser. As you can see, the window divides into four in a

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Data Aggregation in R: plyr, sqldf and data.table

April 28, 2011
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Data Aggregation in R: plyr, sqldf and data.table

I’ve also previously put up a couple of posts about aggregating data in R. In this post, I’m going to be trying some other alternative methods for aggregating the dataset. Before I begin, I’d like to thank Matthew Dowle for highlighting these to me. It’s a bit daunting at first, deciding which method of aggregating data is

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“Inside” Functors — Multiple Arguments

April 27, 2011
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“Inside” Functors — Multiple Arguments

Again for HTML reasons this has been taken to http://strugglingthroughproblems.blogspot.com/2011/04/inside-functors-multiple-arguments.html

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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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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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4 lines of R to get you started using the Rook web server interface

April 25, 2011
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4 lines of R to get you started using the Rook web server interface

Jeffrey Horner's new Rook package provides a new interface for developing R-based web applications. Rook allows the same application to run in R's built-in web server or (soon) in the rApache module. This post shows how easy it is to use the package's Rhttpd class to get started with Rook.

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Kickstarter Data Analysis: Success and Pricing

April 25, 2011
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Kickstarter Data Analysis: Success and Pricing

Kickstarter is an online crowdfunding platform for launching creative projects. When starting a new project, project owners specify a deadline and the minimum amount of money they need to raise. They receive the money (less a transaction fee) only if … Continue reading →

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Calculating DV01 using futile.paradigm

April 25, 2011
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Calculating DV01 using futile.paradigm

Here’s a short example of using the futile.paradigm for calculating the DV01 of a bond. The basic idea is to …Continue reading »

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Let’s try this again: Introducing Rook for #rstats!

April 25, 2011
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Well I totally botched my launch last week. Thankfully, my wife straightened me out: I decided to change the name of Rack to Rook so there won’t be any future confusion. And instead of rewriting all my posts last week, just read them again and every...

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Further Adventures in Visualisation with ggplot2

April 25, 2011
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Further Adventures in Visualisation with ggplot2

So I previously took a look at some data of player performance from a computer game. In this post, I’m going to do some further visualisations using ggplot2. The data consists of different types of player character, different roles for those characters, and their overall damage output (the unit here is damage per second, or

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