Posts Tagged ‘ web ’

How to plot lattice and ggplot2 graphs with FastRWeb

April 10, 2012
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How to plot lattice and ggplot2 graphs with FastRWeb

With print() If you are an advanced R user, you probably know the lattice and the ggplot2 packages. They allow you to plot elegant graphics with less code (Hocking, 2009 and Sueur, 2010). If you know these two packages, you should hardly use plot() for your graphs. If you read my article on FastRWeb, you

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A Direct Marketing In-flight Forecasting System

February 29, 2012
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A Direct Marketing In-flight Forecasting System

This is an edited version of A Direct Marketing In-flight Forecasting System. The original article was written by Shannon Terry and Ben Ogorekm, Nationwide Insurrance, in order to enter the “Applications of R in Business” contest organised by Revolution Analytics. This is the winning entry of the contest. I added some notes in the third

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Setting up FastRWeb on Mac OS X

February 23, 2012
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Setting up FastRWeb on Mac OS X

FastRWeb is an infrastructure that allows any webserver to use R scripts for generating dynamic content, such as web pages and graphics. In this post, you’ll learn how to install and set up FastRWeb on a Mac. This tutorial is expendable to any Unix-like operating system. It is an adaptation from Jay Emerson’s post, Setting

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Now I’m R-Blogging

July 10, 2011
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Today a lot of great mails arrived at my inbox. In one of them I was reading I’ve just added your feed to the site. Where did this mail come from? The sender of the email was Tal Galili. He is a researcher in BioStatistics at the Tel Aviv University, very active around the internet.

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Fittesmodel.com: A user-friendly way to conduct empirical research together

June 6, 2011
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(A guest post by Camiel de Koning) ————– When trying to replicate, verify or extend empirical research of others, a researcher generally encounters many time-consuming barriers and there are often many prerequisites. Fittestmodel has the objective to overcome many of these problems, by presenting a webapplication that allows users to: use but not having to install R. quickly incorporate...

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Sweave diagram, following Knuth’s original

June 2, 2011
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Sweave diagram, following Knuth’s original

In preparation for a talk, I updated Knuth's original diagram in Donald E. Knuth. Literate programming. The Computer Journal, 27(2):97–111, May 1984. The new diagram is Sweave specific. Click the Sweave diagram for a PDF version, or right-click and select 'save image as' for the PNG version. Permission is granted for any use of the

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R for the web

May 27, 2011
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There is a nice R module for apache: rApache. So you can easily publish statistics.

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Some rediscovered R scripts from spring cleaning

May 1, 2011
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Some rediscovered R scripts from spring cleaning

Gompertz Model Visualization # Gomperz growth function gomp <- function(x, a, b, k) a*exp(-b*exp(-k*x))   # Normal model with Gompertz mean function likelihood <- function(weight, age, sigma, a, b, k) { mu <- gomp(age, a, b, k) dnorm(weight, mu, sigma) }   # Visualize the model visualize <- function(phi=40, theta=-35) { weight <- seq(0, 250,

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Tumblr Likes

April 11, 2011
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Tumblr Likes

Look at just the first digit and the number of digits. science: 32914, 11566, 4989, 3743, 968, 814, 673, 482, 286, 2811 black and white: 1694, 1167, 1108, 988, 919, 639, 596, 591, 580, 544 lol: 22627, 18100, 17688, 14374, 13459, 12045, 4711, 3779, 36...

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Tumblr Likes

April 11, 2011
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Tumblr Likes

Look at just the first digit and the number of digits. science: 32914, 11566, 4989, 3743, 968, 814, 673, 482, 286, 2811 black and white: 1694, 1167, 1108, 988, 919, 639, 596, 591, 580, 544 lol: 22627, 18100, 17688, 14374, 13459, 12045, 4711, 3779, 36...

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