2772 search results for "gis"

googleVis 0.3.2 is released: Better integration with knitr

October 29, 2012
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googleVis 0.3.2 is released: Better integration with knitr

After last week's kerfuffle I hope the roll out of googleVis version 0.3.2 will be smooth. To test the water I release this version into the wild here and if it doesn't get shot down in the next days, then I shall try to upload it to CRAN. I am mindful...

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Visiting FHCRC, JHSPH and Meeting Xi’an

October 29, 2012
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Visiting FHCRC, JHSPH and Meeting Xi’an

I have been traveling during the last two weeks. I visited Fred Hutchinson Cancer Research Center on Oct 16 and the Department of Biostatistics at Johns Hopkins at the invitation of Simply Statistics on Oct 23. Today Christian Robert was visiting our department at Iowa State, and I also talked to him. It is really cool...

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How Scenic is the HS2 Route?

October 29, 2012
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How Scenic is the HS2 Route?

It is fairly clear from the duration between this and my last post that various other things have been getting in the way of updates. Anyway, I shall try and post a few updates on news and things I have been working on recently in the coming weeks befo...

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Plotting correlation ellipses

October 26, 2012
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Plotting correlation ellipses

This is an oldie but a goodie. There are a lot of ways to plot multiple bivariate relationships, but this is one of my favorites, courtesy of the R Graph Gallery. https://gist.github.com/819111

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My Goodness. What a Fat Dataset!

October 25, 2012
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My Goodness.  What a Fat Dataset!

Recently at work we got sent a data file containing information on donations to a specific charitable organization, ranging all the way back to the 80′s.  Usually, when we receive a dataset with a donation history in it, each row … Continue reading →

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Palettes in R

October 25, 2012
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Palettes in R

In its simplest form, a palette in R is simply a vector of colors. This vector can be include the hex triplet or R color names.The default palette can be seen through palette(): > palette("default") # you'll only need this line if you've previ...

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Congressional ideology by state

October 25, 2012
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Congressional ideology by state

In a recent post, I illustrated how to add a background geom to your ggplot. While that code worked, and the plot looked fine, it was pointed out to me that I was missing an important aspect of plot layering with ggplot2. Namely, it is not, as I previ...

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Plotting the debate "Winner"

October 24, 2012
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Plotting the debate "Winner"

As a Political Scientist, it could not be more gauche to talk about the Presidential debate in terms of a winner and a loser, but the occasion provides the opportunity to show how to do (at least) three really useful things: Directly load price and v...

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Stan for Bayesian Analysis

October 23, 2012
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Stan for Bayesian Analysis

Bayesian analysis has been growing in popularity among ecologists recently, largely due to accessible books such as Models for Ecological Data: An Introduction, Introduction to WinBUGS for Ecologists, and Bayesian Methods for Ecology. Most ecologists with limited programming background have … Continue reading →

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Machine learning for hackers

October 23, 2012
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Machine learning for hackers

Which way do you prefer to learn a new material – deep theoretical background first and practice later or do you like to break things in order to fix them? If latter is your way of learning things, then most likely you will enjoy Machine Learning for Hackers. The book has chapters on machine learning

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