Tag Archives: R

Using JavaGD in Java applications

Posted on July 9, 2010 by Kornelius Rohmeyer

Goal: Create a Java application with a JFrame that contains a JGDPanel from JavaGD and plot something via JRI. Solution: The following code is a derivate of JGR code snipplets under GPL-2: import java.awt.Component; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; import javax.swing.JFrame; … Continue reading →

Posted in Java, Programming, R | Tagged , , | 5 Comments

Because it is autumn

Posted on October 16, 2009 by Kornelius Rohmeyer

GeSHi Error: GeSHi could not find the language r (using path /var/www/techblog/wp-content/plugins/codecolorer/lib/geshi/) (code 2) You need library colorspace.

Posted in Graphics, Programming, R | Tagged , , | 1 Comment

Shortcuts in R under Unix from the readline library

Posted on September 15, 2009 by Kornelius Rohmeyer

Under Unix you can use in R the the advanced features for command editing and command history that the GNU Readline Library provides. Both Emacs and vi editing modes are available and the Emacs-like keybindings are installed by default. Here … Continue reading →

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Random Correlation Matrices

Posted on August 14, 2009 by Kornelius Rohmeyer

Some time ago one of my colleagues with a new method for evaluating the cumulative distribution function of a multivariate normal distribution wanted to compare the speed of his method with that of randomized quasi-Monte Carlo methods. While we were … Continue reading →

Posted in R, Statistics | Tagged , , | 3 Comments