Monthly Archives: October 2009

What’s Happening, Man?

October 14, 2009
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topsyWidgetPreload({ "url": "http%3A%2F%2Fborasky-research.net%2F2009%2F10%2F14%2Fwhats-happening-man%2F", "style": "big", "title": "What's Happening, Man?" }); There is quite a bit of activity on the AlgoCompSynth front. As you may know, I’m a SUSE Studio subscriber, and I’m building openSUSE 11.1-based appliances there. One of them is dedicated to AlgoCompSynth, and I expect to make a release in the very near future,

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RPostgreSQL 0.1-5

October 13, 2009
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A new version of RPostgreSQL just went out to CRAN and should propagate via the mirrors over the next few days.This is a maintenance and bug fix release that addresses four of the seven issue at the Google Code page. Two more are really enhancemen...

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RPostgreSQL 0.1-5

October 13, 2009
By

A new version of RPostgreSQL just went out to CRAN and should propagate via the mirrors over the next few days. This is a maintenance and bug fix release that addresses four of the seven issue at the Google Code page. Two more are really enhancement r...

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RPostgreSQL 0.1-5

October 13, 2009
By

A new version of RPostgreSQL just went out to CRAN and should propagate via the mirrors over the next few days.This is a maintenance and bug fix release that addresses four of the seven issue at the Google Code page. Two more are really enhancemen...

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Investigation the relationship between two variables using a scatter plot

October 13, 2009
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Investigation the relationship between two variables using a scatter plot

The relationship between two variables can be visually represented using a scatter plot and will provide some insight into the correlation between the variables and possible models to describe the relationship. There are different ways to produce scatter plots in R making use of either the base graphics system, the lattice graphics library, ggplot2 or

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RExcel

October 13, 2009
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I am not a fan of MS Windows software. However, the reality is that majority of people use it and it is often easier for me to live with this than to convert the sorounding souls. Additionally I am find ing out lately that majority of my favourite open...

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RExcel

October 13, 2009
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I am not a fan of MS Windows software. However, the reality is that majority of people use it and it is often easier for me to live with this than to convert the sorounding souls. Additionally I am find ing out lately that majority of my favourite open...

Read more »

Example 7.15: A more complex sales graphic

October 13, 2009
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Example 7.15: A more complex sales graphic

The plot of Amazon sales rank over time generated in example 7.14 leaves questions. From a software perspective, we'd like to make the plot prettier, while we can embellish the plot to inform our interpretation about how the rank is calculated.For the latter purpose, we'll create an indicator of whether the rank was recorded in nighttime (eastern US...

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Make Shift-Enter do a lot in ESS

October 12, 2009
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If you use Emacs and ESS to run R, then here’s a nice tweak I found on the Emacs Wiki. The following bit of elisp goes in your .emacs file (or equivalent). Starting with an R file in the buffer, hitting shift-enter vertically splits the window and starts R in the right-side buffer. If R

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Zut alors!

October 12, 2009
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Christian: of course you will be running the Chicago 2010 marathon as your next fall marathon. Not only are Paris and Chicago jumelée (i.e. sister cities), but the Dollar is so conveniently falling vis-à-vis the Euro that you'd get all this done for about a Euro and a half by the time the race happens. Moreover, 2010 is going to be...

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