792 search results for "Maps"

Backtesting Minimum Variance portfolios

December 12, 2011
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Backtesting Minimum Variance portfolios

I want to show how to combine various risk measures I discussed while writing the series of posts about Asset Allocation with backtesting library in the Systematic Investor Toolbox. I will use Minimum Variance portfolio as an example for this post. I recommend reading a good discussion about Minimum Variance portfolios at Minimum Variance Sector

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Mapping prosperity in France with R

December 12, 2011
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Mapping prosperity in France with R

The choropleth below (created by Baptiste Coulmont) is a sort of prosperity map of France: the blue areas have high levels of personal income (actually, median household income tax paid divided by the number of household members), while the red areas have the lowest: The map was created with the help of GEOFLA "communes" shapefile (my high-school French begins...

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UseR! 2011 slides and videos – on one page

December 11, 2011
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Links to slides and talks from useR 2011 - all organized in one page.Read more »

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Visualizing Gestures as Paths

December 11, 2011
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Visualizing Gestures as Paths

Kaggle is hosting an exciting new competition in which the object is to learn to identify sequences of gestures from just one example of each gesture. I would bet this competition has a lot of potential to attract academics interested in machine learni...

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LondonR, 6 December 2011

December 10, 2011
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LondonR, 6 December 2011

The London R user group met again last Wednesday at the Shooting Star pub. And it was busy. More than 80 people had turned up. Was it the free beer and food, sponsored by Mango which attracted the folks or the speakers? Or the venue? James Long, who or...

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In case you missed it: November roundup

December 9, 2011
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In case you missed them, here are some articles from November of particular interest to R users. R 2.14 now includes SVG support for Windows. The submissions for the Applications of R in Business contest are available for viewing online. A tutorial on using the Rdatamarket package to import public datasets into R. Free books on R for multivariate...

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Visualization of Prosper.com’s Loan Data Part I of II – Compare and Contrast with Lending Club

December 6, 2011
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Visualization of Prosper.com’s Loan Data Part I of II – Compare and Contrast with Lending Club

Due to the positive feedback received on this post I thought I would re-create the analysis on another peer-to-peer lending dataset, courtesy of Prosper.com. You can access the Prosper Marketplace data via an API or by simply downloading XML files that are updated nightly http://www.prosper.com/tools/. If you are going to follow the route I took

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Visualizing Unemployment Data

December 3, 2011
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Visualizing Unemployment Data

So recently Bureau of Labor Statistics released the Oct. 2011 unemployment data. This is not a discussion of it’s validity nor it’s impact, but it is a post on how to visualize it. This post is also for my posterity, I’ve wanted to be able to do this for a while, and it’ll serve as

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On the (statistical) road, workshops and R

December 3, 2011
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On the (statistical) road, workshops and R

Things have been a bit quiet at Quantum Forest during the last ten days. Last Monday (Sunday for most readers) I flew to Australia to attend a couple of one-day workshops; one on spatial analysis (in Sydney) and another one … Continue reading →

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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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