1007 search results for "how to import image file to r"

The stupidest R code ever

August 17, 2011
By
The stupidest R code ever

Let’s start this blog off right, with the stupidest R mistake I’ve ever made (I think). In the R package that I write, R/qtl, one of the main file formats is a comma-delimited file, where the blank cells in the second row are important, as they distinguish the initial phenotype columns from the genetic marker

Read more »

In case you missed it: July Roundup

August 10, 2011
By

In case you missed them, here are some articles from July of particular interest to R users. A simulation in R finds the value (or disadvantage) or drawing an X, J, Q or Z in Scrabble. How to display high-quality graphics on the web using SVG output from R. A review of Paul Murrell's talk about raster image support...

Read more »

Analysis of ISMB coverage at FriendFeed: 2008 – 2011

July 27, 2011
By
Analysis of ISMB coverage at FriendFeed: 2008 – 2011

ISMB/ECCB 2011 was held between July 15-19 this year and as in previous years, FriendFeed was used to cover the meeting. Last year, I wrote a post about how to use R to analyse the coverage. I was planning something similar for 2011 when I thought: we have 4 years of ISMB at FriendFeed now

Read more »

Showcasing the latest phylogenetic methods: AUTEUR

July 20, 2011
By
Showcasing the latest phylogenetic methods: AUTEUR

While high-speed fish feeding videos may be the signature of the lab, dig a bit deeper and you’ll find a wealth of comparative phylogenetic methods sneaking in.  It’s a natural union — expert functional morphology is the key to good comparative methods, just as phylogenies hold the key to untangling the evolutionary origins of that

Read more »

Migrating from SPSS/Excel to R, Part 2: Working with Packages

July 17, 2011
By
Migrating from SPSS/Excel to R, Part 2: Working with Packages

In this post, I cover an important aspect of using R that users of SPSS/Excel won’t be familiar with: working …Continue reading »

Read more »

Accepted lack of confidence

July 17, 2011
By
Accepted lack of confidence

I just got the following email from PNAS about our Lack of confidence in ABC model choice. Editor's Remarks to Author: both referees now find the manuscript acceptable for publication as do I. Each suggests small changes which I encourage the authors to make prior to having the manuscript go into production. Congratulations on an

Read more »

Creating 3D geographical plots in R using RGL

July 11, 2011
By
Creating 3D geographical plots in R using RGL

I've been playing around with the rgl package in the last week, as part of an ongoing quest to come up with nice-looking (but more importantly, useful) data vizualisations. It's a nice little package, and once you've run through the excell...

Read more »

Migrating from SPSS/Excel to R

July 10, 2011
By
Migrating from SPSS/Excel to R

In this post, I give an outline for those interested in migrating from using SPSS and Excel for data processing/analysis …Continue reading »

Read more »

Things I would tell a budding bioinformatician to learn.

July 7, 2011
By

I recently read Ewan Birney's blog post, which I found echoed a lot of my own thoughts about the use of statistical in computational biology. I thought I would compile my own similar list but for bioinformatics  / computational biology in general. I have not been and in the field as long as Ewan and I certainly still...

Read more »

ARMA Models for Trading, Part VI

July 5, 2011
By
ARMA Models for Trading, Part VI

All posts in this series were combined into a single, extended tutorial and posted on my new blog. In the fourth posting in this series, we saw the performance comparison between the ARMA strategy and buy-and-hold over the last approximately 10 years. Over the last few weeks (it does take time, believe me) I back-tested

Read more »