Articles by Larry D'Agostino

Microsoft releases LightGBM

October 17, 2016 | Larry D'Agostino

Microsoft has been really increasing their development of tools in the predictive analytics and machine learning space.  Another such tool they released recently is LightGBM.  From the Github site...LightGBM is a fast, distributed, high performance gradient boosting (GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used ... [Read more...]

Introducing the Shiny App DThiring

August 4, 2014 | Larry D'Agostino

Well it has a been a long time since I have written anything on this blog.  I am long overdue.  I've been terribly busy learning new things and getting on with life.  One of the things I have learned is building R applications using Shin... [Read more...]

Popularity of R continues

July 2, 2012 | Larry D'Agostino

No doubt those that read my blog know that the tools I use to do my Industrial Engineering and Operations Research work heavily rely on the open source side of software.  That is why I try to support as many open source projects such as COIN-OR, G... [Read more...]

R graphic used for Facebook IPO

February 2, 2012 | Larry D'Agostino

Apparently former Facebook intern, Paul Butler,  graphic of the Facebook social network graph is being used for Facebook's IPO.  The social network graphic is featured on Page 7 of the IPO filing.  His graphic was featured on mashable an... [Read more...]

Visualizing categorical data in R

December 21, 2011 | Larry D'Agostino

I came across an interesting SAS macro that was used for visualizing log odds relationships of data.  This type of chart is helpful for visualizing the relationship between a binary dependent variable and a continuous independent variable.  I... [Read more...]

R again in Google Summer of Code

March 22, 2011 | Larry D'Agostino

I'm a big fan of the Google Summer of Code.  It brings great projects together with a learning opportunity for students.  Once again the R Project was selected to be part of the Google Summer of Code in 2011.  Some other notable mathemat... [Read more...]

IBM has a Natural Language Purpose

February 19, 2011 | Larry D'Agostino

I wanted to write a blog post about the advancements of Natural Language Processing in light of the performance of IBM's Watson on the Jeopardy challenge last week.  Natural Language Processing is the science of transforming and interpreting human... [Read more...]

Video of Joy of Stats by Hans Rosling

December 31, 2010 | Larry D'Agostino

The Joy of Stats narrated by Hans Rosling was just produced by BBC and shown to their audience.  Hans Rosling via was kind enough to post the full hour video of the documentary about joys of statistics.  The video is posted on Y... [Read more...]

Where to find good data sets

December 16, 2010 | Larry D'Agostino

O'Reilly Media has been a big advocate of Open Data and believes that is where a lot of computing is going to be headed in the future.  I think they are definitely on to something.  Yet the future could be now.  There is a lot of opportu... [Read more...]

R references for handling Big data

October 27, 2010 | Larry D'Agostino

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...]
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