1800 search results for "ggplot2"

The easiest way to get UTR sequence

March 2, 2011
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I just figure out the way to query UTR sequence from ensembl by biomart tool. It is very simple compare with using bioperl to parse gbk file to extract UTR sequence. Read More: 232 Words Totally

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The easiest way to get UTR sequence

March 2, 2011
By

I just figure out the way to query UTR sequences from ensembl by biomart tool. It is very simple compared with using bioperl to parse gbk files to extract UTR sequences. Read More: 236 Words Totally

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Review of R Graphs Cookbook

March 1, 2011
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The kind people at Packt Publishing recently asked me to review one of their newest R books: the R Graphs Cookbook. In general, I think pretty highly of the book: it provides a nice overview of the basic tools for visualizing data in R. If you’re just getting started with creating graphs in R, this

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I love RStudio

March 1, 2011
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I love RStudio

Typically if I am working with R I will have a lot of different windows open all at once. I'll have the R Console (for Mac) of course and a text editor (Xcode or TextEdit), plus there will usually be some help windows to examine particular functions o...

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Mapping the 2011 Chicago Mayoral Democratic Primary

February 25, 2011
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Mapping the 2011 Chicago Mayoral Democratic Primary

Mapping the Chicago Democratic Mayoral 2011 primary with Ruby, R, and ggplot2

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Phenotypic selection analysis in R

February 24, 2011
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Phenotypic selection analysis in R

I have up to recently always done my phenotypic selection analyses in SAS. I finally got some code I think works to do everything SAS would do. Feedback much appreciated!########################Selection analyses#############################install.pac...

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Book review: 25 Recipes for Getting Started with R

February 24, 2011
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Book review: 25 Recipes for Getting Started with R

Recently I was asked by O’Reilly publishing to give a book review for Paul Teetor new introductory book to R.  After giving the book some attention and appreciating it’s delivery of the material, I was happy to write and post this review.  Also, I’m very happy to see how a major publishing house like O’Reilly is producing more and

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type=”n” graphs in R

February 24, 2011
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type=”n” graphs in R

type n graph.R Download this file One of the most useful graphs you can produce in R using the plot(...) function is one with nothing in it. Using the type="n" option, you get a blank canvas to which you can add points, lines, text, sh...

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Machine Learning Ex2 – linear regression

February 24, 2011
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Machine Learning Ex2 – linear regression

Andrew Ng has posted introductory machine learning lessons on the OpenClassRoom site. I've watched the first set and will here solve Exercise 2. The exercise is to build a linear regression implementation, I'll use R. The point of linear regression is to come up with a mathematical function(model) that represents the data as best as possible, that is done...

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Choropleth tutorial and regression coefficient plots

February 21, 2011
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Choropleth tutorial and regression coefficient plots

About two weeks ago, I gave short talk at Duke, wherein I presented a brief tutorial on creating choropleth maps in R using ggplot2. Since the code is already written, and the data and shapefiles already hosted online, I thought I would share the tutorial more widely. A .ZIP file containing all the files necessary … Continue reading →

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