1147 search results for "Excel"

Review of Distance Course: Graduate Certificate in Statistics offered at Sheffield [completed: 3 June 2012]

December 1, 2011
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Recently, on Andrew Gelman's blog there was a discussion about how to get yourself a statistics education (presumably without going through the whole process of becoming a professional statistician). Here's the discussion on Gelman's blog, with lots of...

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Tips for getting started on Kaggle (datamining)

November 30, 2011
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Tips for getting started on Kaggle (datamining)

Ever since I heard about Kaggle.com at this year's Bay Area Data Mining Camp, I've wanted to participate. But I was feeling somewhat intimidated. Jeremy Howard's "Intro to Kaggle" talk at yesterday's MeetUp (DataMining for a Cause) was exactly what I...

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Basic Econometrics in R and SAS

November 27, 2011
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Basic Econometrics in R and SAS

Regression Basicsy= b0 + b1 *X  ‘regression line we want to fit’The method of least squares minimizes the squared distance between the line ‘y’ andindividual data observations yi. That is minimize: ∑ ei2 = ∑ (yi - b0 -  b1 Xi...

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Updating CODA – a possible post-doctoral project

November 23, 2011
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Updating CODA – a possible post-doctoral project

If you are looking for a post-doctoral position in statistical computing in 2012 then you may be able to help me with rewriting the coda package for R.  But if you are interested, you don’t have much time to apply.The … Continue reading →

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RPostgreSQL 0.2-0, 0.2-1 and an unsung Open Source hero

November 21, 2011
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RPostgreSQL goes back to a topic suggestion I had made for the Google Summer of Code 2008, and specifically for the R Project participation that year. And Sameer Kumar Prayaga (whom I then mentored for the project) did a fine job that summer putting t...

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Update on Scary Derivatives

November 16, 2011
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Update on Scary Derivatives

After reading Bloomberg’s article, JPMorgan Chase & Co. and Goldman Sachs Group Inc., among the world’s biggest traders of credit derivatives, disclosed to shareholders that they have sold protection on more than $5 trillion of debt globally. ...

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Performance measurement is about decisions

November 16, 2011
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Performance measurement is about decisions

The return of a hypothetical fund was 17.9% in 2010.  We want to know if that is good or bad. The benchmark method The assets in the portfolio are constituents of the S&P 500, so we can compare our fund return to the return of the index. Figure 1: 2010 returns of: the fund and … Continue reading...

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Grrr…

November 15, 2011
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Grrr…

I’ve been working through Gelman et al.’s otherwise excellent Bayesian Data Analysis and it’s going reasonably well. My statistics is a little bit rusty so it’s taken time to work through all of the exercises and really understand what’s going on. But I...

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First thoughts on R

November 2, 2011
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First thoughts on R

Having worked just a little with R, I have some first impressions to share.  I'll give you some links to resources I found helpful with writing the previous project. First, the documentation is not very good.  I struggled on previous attempts to figure things out.  I still find it crap shoot when I Google, looking for an answer....

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Teaching with R: the tools

November 1, 2011
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I bought an Android phone, nothing fancy just my first foray in the smartphone world, which is a big change coming from the dumb phone world(*). Everything is different and I am back at being a newbie; this is what … Continue reading →

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