Monthly Archives: January 2010

Earthquake maps

January 6, 2010
By
Earthquake maps

There's been a number of earthquakes in the Solomon Islands over the past few days, including one that caused a tsunami to partially destroy the village of Baniata on Rendova, Western Provence. You can see exactly how many earthquakes have occurred the...

Read more »

New Features in ggplot2 version 0.8.5

January 6, 2010
By
New Features in ggplot2 version 0.8.5

Just before Christmas ggplot2 version 0.8.5 was released, closely following the release of version 0.8.4 a week or so earlier. Whilst both versions included included numerous bugfixes (25 in 0.8.4 and 17 in 0.8.5), the latest version also incorporated some new features. As ggplot2 is all about graphical display, so I went through the list

Read more »

The number of R packages is growing exponentially

January 6, 2010
By
The number of R packages is growing exponentially

The second issue of the R Journal is out now, and in addition to a bevy of contributed articles and some news from the R Core Group on the new help system introduced in R 2.10, there's an invited section called, intriguingly, "The Future of R". In that section John Fox provides an exhaustively researched and insightful review of...

Read more »

R AnalyticFlow

January 6, 2010
By
R AnalyticFlow

R AnalyticFlow is an interesting piece of software. From its web site:"R AnalyticFlow is a software which enables state-of-the-art data analysis by drawing analysis flowcharts. You can effectively share processes of data analysis in collaborative wo...

Read more »

Latin squares design in R

January 6, 2010
By
Latin squares design in R

The Latin square design is used where the researcher desires to control the variation in an experiment that is related to rows and columns in the field.Remember that: * Treatments are assigned at random within rows and columns, with each treatment once per row and once per column. * There are equal numbers...

Read more »

Latin squares design in R

January 6, 2010
By
Latin squares design in R

The Latin square design is used where the researcher desires to control the variation in an experiment that is related to rows and columns in the field.Remember that: * Treatments are assigned at random within rows and columns, with each treatment once per row and once per column. * There are equal numbers...

Read more »

littler 0.1.3

January 5, 2010
By

A new littler release (now at 0.1.3) just went out of the door this evening. littler provides r (pronounced littler), a shebang / scripting / quick eval / pipelining front-end to the the R language and system. This version adds a few minor behind-...

Read more »

littler 0.1.3

January 5, 2010
By

A new littler release (now at 0.1.3) just went out of the door this evening. littler provides r (pronounced littler), a shebang / scripting / quick eval / pipelining front-end to the the R language and system. This version adds a few minor behind-the...

Read more »

littler 0.1.3

January 5, 2010
By

A new littler release (now at 0.1.3) just went out of the door this evening. littler provides r (pronounced littler), a shebang / scripting / quick eval / pipelining front-end to the the R language and system. This version adds a few minor behind-...

Read more »

Typos in Chapter 2

January 5, 2010
By
Typos in Chapter 2

When grading homeworks for my Monte Carlo graduate class, I found that my students had pointed out two typos in the exercises of Chapter 2 of “Introducing Monte Carlo Methods with R”. – In Exercise 2.17, question d. should be “d. Show that the maximum of is attained at .“ – In Exercise 2.21, in item

Read more »