R news + Unix tools with R (make, screen, mail)
A wealth of information about R can be found in R news (list of articles here). It’s going to be replaced by an R journal soon. One example of something cool: Footnotes: 164 Andrew Robinson. Augmenting...
View ArticleColored contour plot / heat map
Example: Bivariate normal density (mean=(0,0), var-cov=diag(1,1)) <pre class="src src-R"><span style="color: #ff4500;">##</span><span style="color: #ff4500;">R's heatmap...
View ArticleLinear Regression plot with normal curves for error (sideways)
Linear Regression: Normal Errors I remember my first encounter to the classical linear regression model with normally distributed errors by Dan Gillen in Stat 120c in spring 2005 at UCI. I mean, I’ve...
View ArticleLearning latex
These days when search for LaTeX questions, I often end up on up at this wikibook. I don’t like pulling up the “not so short guide.” as I can can get the answer through Google much faster. Google is...
View Articledrawing in latex (picture environment) + arrows (xy package)
I wanted to draw arrows in LaTeX to make that predictor-outcome-confounder diagram I saw in class. I found an answer here using the xy package in LaTeX. I used to want to draw in LaTeX. pgf and tiks...
View ArticleNo attachments on blogger yet
So google didn’t add a feature where we can attach files to blogs (other than image files). I wanted to do it with google docs, but couldn’t because I’d have to share it with people by inviting them....
View Articlecooliris is freaking awesome!
Cooliris, an add-on for most browsers (firefox, safari, even IE), let’s you browse images on websites interactively and in a very “nice” layout. I had it before, but never got it to work because they...
View ArticleAucTeX with Sweave
I got sweave shortcuts to work in emacs with ESS before (David Whiting’s method; see the ess-swv.el file in your emacs lisp ESS folder). Just found a way to get Sweave working with AucTeX:...
View ArticleEditing/adding on to Sweave features in ESS
I really like David Whiting’s Sweave methods in ESS: M-n s M-n P and I get a compiled pdf file. However, i wanted to change it so Sweave uses the cacheSweaveDriver() when sweaving. I knew the the...
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