1234 search results for "tutorial"

Basics of Working With Data in R

April 5, 2012
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Introduction to ORE Embedded R Script Execution

April 2, 2012
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Introduction to ORE Embedded R Script Execution

This Oracle R Enterprise (ORE) tutorial, on embedded R execution, is the third in a series to help users get started using ORE. See these links for the first tutorial on the transparency layer and second tutorial on the statistics engine. Oracle R Enterprise is a component in the Oracle Advanced Analytics Option of Oracle Database Enterprise...

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My main resources for R programming

April 2, 2012
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My main resources for R programming

In this article, you will find a list of Internet resources that may be useful if you are programming in R. If you have a problem with R and

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Draw Your Breast with CloudStat – A R Apps (for fun)

March 31, 2012
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Draw Your Breast with CloudStat – A R Apps (for fun)

This is a simple apps, called “Draw Your Breast with R“  created with R to generate Breast alike graphics. With this Draw Your Breast with R apps, you can change 4 parameters which are Theta, Phi, Expand and Color to generate graphics like...

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Social Network Analysis with R

March 27, 2012
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Social Network Analysis with R

By Yanchang Zhao, RDataMining.com If you have tried social network analysis or graph mining with R, you might have already come across package igraph before. The package is designed for graphs and network analysis in R. It can handle large … Continue reading →

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Do we appreciate sunbathing in Spring ?

March 22, 2012
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Do we appreciate sunbathing in Spring ?

We are currently experiencing an extremely hot month in Montréal (and more generally in North America). Looking at people having a beer, and starting the first barbecue of the year, I was wondering: if we asked people if global warming was a good ...

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Data Analysis Training

March 20, 2012
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Data Analysis Training

I'm training some of my colleagues on Big'ish data analysis this week. Here's how I'm running the class. Would love your ideas to make it better. CLASS OBJECTIVES (LEARNING OUTCOMES)After completion of the course, you will be able to:Understand concept...

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Running OpenBUGS on a Mac Running OSX

March 20, 2012
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After writing up my tutorial regarding getting WinBUGS running on a Mac in R, a friend sent me this fantastic simple tutorial on the same thing for OpenBUGS on a mac in R. So, for those that want it, install away! Looks a good bit simpler, actually! Tweet

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Backtesting Asset Allocation portfolios

March 18, 2012
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Backtesting Asset Allocation portfolios

In the last post, Portfolio Optimization: Specify constraints with GNU MathProg language, Paolo and MC raised a question: “How would you construct an equal risk contribution portfolio?” Unfortunately, this problem cannot be expressed as a Linear or Quadratic Programming problem. The outline for this post: I will show how Equal Risk Contribution portfolio can be

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Portfolio Optimization: Specify constraints with GNU MathProg language

March 14, 2012
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Portfolio Optimization: Specify constraints with GNU MathProg language

I have previously described a few examples of portfolio construction: Introduction to Asset Allocation Maximum Loss and Mean-Absolute Deviation risk measures 130/30 Portfolio Construction Minimum Investment and Number of Assets Portfolio Cardinality Constraints Multiple Factor Model – Building 130/30 Index (Update) I created a number of helper functions to simplify process of making the constraints(

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