1214 search results for "excel"

A pre-requisite to be a Data Scientist

December 7, 2011
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So what should be in the toolkit of people who call themselves a data scientist?A fundamental skill is the ability to manipulate data. A data scientist should be familiar and comfortable with a number of platforms and scripting tools to get the job don...

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Introducing Biostatistics to first year LCG students

December 4, 2011
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Introducing Biostatistics to first year LCG students

Around two weeks ago I gave a talk via skype to the first year students from the Undergraduate Program on Genomic Sciences (LCG in Spanish) from the National Autonomous University of Mexico (UNAM in Spanish). The talk was under the context of the Introduction to Bioinformatics Seminar Series whose goal is to familiarize the new students with the bioinformatics...

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Week in Review 021211 R Language

Week in Review 021211 R Language

Happy last month of 2011. I will fly to Sydney to present a paper at the 24th Australasian Finance & Banking Conference on next Thursday, so we may not have a review next week. However, feel free to contact me @a_biao for sharing any useful post. This week's review is highly concentrated on

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A Friday round-up

December 1, 2011
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A Friday round-up

Just a brief selection of items that caught my eye this week. Note that this is a Friday as opposed to Friday, lest you mistake this for a new, regular feature. 1. R/statistics ggbio A new Bioconductor package which builds on the excellent ggplot graphics library, for the visualization of biological data. R development master

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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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