2015 search results for "map"

Philadelphia Schools

March 7, 2012
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Philadelphia Schools

I'm on spring break, and yesterday I took some time to check off some items on my to-do list, namely:Start getting acquainted with all the new features of ggplot2 .Get a handle on dealing with geographic data in R.I've done some furtive geographic...

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Setting Up and Customizing R

March 7, 2012
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For the longest time I resisted customizing R for my particular environment. My philosophy has been that each R script for each separate analysis I do should be self contained such that I can rerun the script from top to bottom on any machine and get the same results. This being said, I have now

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Strike Zone Changes?

March 7, 2012
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Strike Zone Changes?

It's been a while since I have posted here. I have been swamped with some papers I am trying to get out, finishing up the dissertation, and interviews (faculty ones in addition to others). I should have some big news in the next couple of weeks regar...

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lembarrasduchoix asked: thank you for the introduction to…

March 6, 2012
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lembarrasduchoix asked:
thank you for the introduction to…

lembarrasduchoix asked: thank you for the introduction to Newcomb’s paradox! Could you do a post on your favorite paradoxes?    The decision theory paradoxes I’m familiar with are: Ellsberg Paradox— Theorists encode bothsituations with unknown...

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Multiple Factor Model – Building 130/30 Index

March 5, 2012
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Multiple Factor Model – Building 130/30 Index

Nico brought to my attention the 130/30: The New Long-Only (2008) by A. Lo, P. Patel paper in his comment to the Multiple Factor Model – Building CSFB Factors post. This paper presents a very detailed step by step guide to building 130/30 Index using average CSFB Factors as the alpha model and MSCI Barra

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googleVis 0.2.15 is released: Improved geo and bubble charts

March 4, 2012
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googleVis 0.2.15 is released: Improved geo and bubble charts

The guys behind the Google Visualisation API don't seem to rest. On 22 February 2012 they released an update of their API. Google added options for a gradient colour axis to bubble chart and a magnifying glass to geo chart, which opens when the user ho...

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ggplot2 0.9.0 released

March 4, 2012
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This announcement was made by Hadley Wickham in the mailing list. ———————- # ggplot2 ggplot2 is a plotting system for R, based on the grammar of graphics, which tries to take the good parts of base and lattice graphics and avoid bad parts. It takes care of many of the fiddly details that make plotting a hassle (like drawing legends)...

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Visualization series: Insight from Cleveland and Tufte on plotting numeric data by groups

March 4, 2012
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Visualization series: Insight from Cleveland and Tufte on plotting numeric data by groups

After my post on making dotplots with concise code using plyr and ggplot, I got an email from my dad who practices immigration law and runs a website with a variety of immigration resources and tools.  He pointed out that the … Continue reading →

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Capturing Tick Data via C#, Interactive Brokers, and MySQL

March 3, 2012
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Capturing Tick Data via C#, Interactive Brokers, and MySQL

Interactive Brokers is a discount brokerage that provides a good API for programatically accessing their platform.  The purpose of this post is to create an application that will capture tick level data and save that data into a database for futur...

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The German DIN33430 – Analysis of acceptance with R

March 2, 2012
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The German DIN33430 – Analysis of acceptance with R

The german DIN33430 defines quality standards that must be met in “job-related proficiency assessments”, the qualifications of the responsible parties involved, as well as the creation, execution and evaluation of such assessments. Licensed persons are published on a website (german). … Weiterlesen →

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