Posts Tagged ‘ ggplot2 ’

Quick Introduction to ggplot2

January 17, 2012
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Quick Introduction to ggplot2

For a much better looking version of this post (where code is actually readable!), see this Github repository, which also contains some of the example datasets I use and a literate programming version of this tutorial. Introduction This is a bare-bones introduction to ggplot2, a visualization package in R. It assumes no knowledge of R

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You’ve got the whole world in your portfolio

December 29, 2011
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You’ve got the whole world in your portfolio

A famous finance professor once told us that good diversification meant holding everything in the world. Fine, but in what proportion? Suppose you could invest in every country in the world. How much would you invest in each? In a market-capitalization weighted index, you'd invest in each country in proportion to the market value of its investments (its "market capitalization")....

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Weecology can has new mammal dataset

December 29, 2011
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Weecology can has new mammal dataset

So the Weecology folks have published a large dataset on mammal communities in a data paper in Ecology.  I know nothing about mammal communities, but that doesn't mean one can't play with the data...Their dataset consists of five csv files: &...

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Recology is 1 yr old…

December 23, 2011
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Recology is 1 yr old…

This blog has lasted a whole year already.  Thanks for reading and commenting. There are a couple of announcements:Less blogging:  I hope to put in many more years blogging here, but in full disclosure, I am blogging for Journal of Ecology no...

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Partisan Bias in Fed Inflation Forecasts?

December 22, 2011
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Partisan Bias in Fed Inflation Forecasts?

Following on from my previous post about US Federal Reserve inflation forecast errors, I decided to put together a descriptive graph to see if there might be a partisan bias to these forecast erros. Also, given all of the work in the political eco...

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I Work For The Internet !

December 13, 2011
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I Work For The Internet !

UPDATE: code and figure updated at 1150 am CST.The site I WORK FOR THE INTERNET is collecting pictures and first names (last name initials only) to show collective support against SOPA (the Stop Online Piracy Act).  Please stop by their site and a...

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My Favorite Graphs

December 5, 2011
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My Favorite Graphs

The important criterion for a graph is not simply how fast we can see a result; rather it is whether through the use of the graph we can see something that would have been harder to see otherwise or that could not have been seen at all. – William Cleveland, The Elements of Graphing Data, Related posts:

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Earthquakes

November 30, 2011
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Earthquakes

> data(quakes)> head(quakes) lat long depth mag stations 1 -20.42 181.62 562 4.8 41 2 -20.62 181.03 650 4.2 15 3 -26.00 184.10 42 5.4 43 4 -17.97 181.66 626...

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Job Satisfaction in England – GGPlot #2

November 29, 2011
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Job Satisfaction in England – GGPlot #2

I’ve recently been scouring the internet for a public opinion data set pertaining to job satisfaction. I was particularly interested in examining how gender, age, and socio-economic status influence how satisfied an individual is with their current employment situation. For example, existing research suggests that women and private-sector employees tend to have higher levels of

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My talk on doing phylogenetics in R

November 18, 2011
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My talk on doing phylogenetics in R

I gave a talk today on doing very basic phylogenetics in R, including getting sequence data, aligning sequence data, plotting trees, doing trait evolution stuff, etc.Please comment if you have code for doing bayesian phylogenetic inference in R.  ...

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