1653 search results for "Ggplot2"

Confidence, Ending Equity, and What I Can Do as the Money Manager

June 24, 2011
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Confidence, Ending Equity, and What I Can Do as the Money Manager

I wrote this as my quarterly commentary, but compliance blocked it because they said I was implying that I am Warren Buffett or I can replicate Warren Buffett.  Anyways, I thought I should share it as a general discussion piece.  More than on...

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Multiple plots in R: lesson zero

June 24, 2011
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Multiple plots in R: lesson zero

Today, in one of my more productive days, I managed to create a sleek R script that plotted several histograms in a lattice, allowing for easy identification of the underlying trend. Although the majority of the time taken consisted of collecting the data and making various adjustments, it took a not inconsiderable amount of work to write the...

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Table hockey and statistics, part 1

June 23, 2011
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Table hockey and statistics, part 1

Two hobbys combined I’ve been playing table hockey for little over 8 years now and since the very beginning I’ve been interested in statistics and different software we use while organising tournaments and seasons. I’ve been writing few softwares for … Continue reading →

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Video: Two R talks from Hadley Wickham

June 22, 2011
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On his recent tour to the Bay Area, Hadley Wickham have two interesting R-related talks, for which video has been made available by Google Tech Talks. At the June Bay Area R User Group meeting, Hadley spoke on the future of interactive data visualization in R. Building on his experiences creating the ggplot2 package (which is still under development...

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Hurst as Relative Strength

June 21, 2011
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Hurst as Relative Strength

THIS IS NOT INVESTMENT ADVICE AND COULD EASILY RESULT IN SIGNIFICANT LOSSES. As an extension to Testing Hurst with Multiple Indexes and Exploring the Market with Hurst, we also might employ our new Hurst signal as a relative strength determinant. ...

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A year of Chicago’s crime, in 30 seconds

June 21, 2011
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Yesterday Brett Goldstein, the Chief Data Officer for the City of Chicago, announced on Twitter the release of Chicago’s crime data for the past year. The data is very detailed, and wonderful resource for criminologist and social scientists alike. I have been playing around with the data a bit, and have produced an animation

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Statistics.com Review

June 20, 2011
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Disclaimer: All prices and classes are approximate and should be confirmed at www.statistics.com as they can change. A comment from my previous post asked me about the experience I had in taking courses from statistics.com (www.statistics.com). To help...

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Visualization Meetup at the Googleplex

June 20, 2011
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Visualization Meetup at the Googleplex

Earlier this month we were excited to host a joint meetup with the Bay Area visualization group and the Bay Area R user group at Google’s headquarters in Mountain View.Hadley Wickham from Rice University came and gave a talk on Interactive Graphics in R. Earlier in the day we...

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Tracking execution paths

June 18, 2011
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Tracking execution paths

Earlier this week, I was trying to figure out the path of execution through a big chunk of code. Once you reach a certain size of codebase, tracking which function gets called when can be tricky. My first thought for dealing with this was to add a message line at the start of each function

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Statistical Analysis of the LAC Degerloch Volkslauf 2010

June 15, 2011
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Statistical Analysis of the LAC Degerloch Volkslauf 2010

Inspired by a post by a R-blogger my interest was piqued to examine the runs in my athletic club. Therefore, I started R and analysed he LAC Degerloch Volkslauf 2010; a 10km race near Stuttgart-Hoffeld. Next lines, I present this statistical examination. The data can be found at: data. Firstly, I converted the data

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