Blog Archives

Big Data Logistic Regression with R and ODBC

December 7, 2010
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Big Data Logistic Regression with R and ODBC

Recently I've been doing a lot of work with predictive models using logistic regression.  Logistic regression is great for determing probable outcomes of a independent binary target variable.  R is a great tool for accomplishing this task.&nb...

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INFORMS Data Mining Competition leaders used Open Source software

November 29, 2010
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INFORMS Data Mining Competition leaders used Open Source software

The results of 2010 INFORMS data mining competition just recently finished.  The leaders were presented at the 2010 Annual INFORMS Conference.  The 2010 INFORMS data mining competition goal was to determine short term movements in stock price...

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INFORMS Data Mining Competition leaders used Open Source software

November 29, 2010
By
INFORMS Data Mining Competition leaders used Open Source software

The results of 2010 INFORMS data mining competition just recently finished.  The leaders were presented at the 2010 Annual INFORMS Conference.  The 2010 INFORMS data mining competition goal was to determine short term movements in stock price...

Read more »

R references for handling Big data

October 27, 2010
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The Dallas R User Group had a meeting over the weekend.  One of the discussions is the memory limitations with R.  This is a common subject among the R community and R User Groups.  There has been a lot of strides recently in allowing R ...

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R references for handling Big data

October 27, 2010
By

The Dallas R User Group had a meeting over the weekend.  One of the discussions is the memory limitations with R.  This is a common subject among the R community and R User Groups.  There has been a lot of strides recently in allowing R ...

Read more »

R Links for the Beginner on World Statistics Day

October 20, 2010
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In honor of the first World Statistics Day I thought I would share some of my favorite R links.  R is a free software statistical computing environment for performing all sorts of data and mathematical manipulation.Introduction and TutorialsR Tuto...

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R Links for the Beginner on World Statistics Day

October 20, 2010
By

In honor of the first World Statistics Day I thought I would share some of my favorite R links.  R is a free software statistical computing environment for performing all sorts of data and mathematical manipulation.Introduction and TutorialsR Tuto...

Read more »

Data mining competition with R

October 8, 2010
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There is a new data mining competition aimed at predicting preferred data mining tools in R via dataists.com.   The concept of the competition is to try to determine which R packages are preferred in the R community via their CRAN package librarie...

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Data mining competition with R

October 8, 2010
By

There is a new data mining competition aimed at predicting preferred data mining tools in R via dataists.com.   The concept of the competition is to try to determine which R packages are preferred in the R community via their CRAN package librarie...

Read more »

Computer languages and Applied Math

September 8, 2010
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There is no question that computer languages have helped pushed the envelope for applied mathematics.  It is hard to imagine where we would be without airline scheduling, supply chain management, or inventory control if it were not for all of the ...

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