"A) What are they analyzing?
B) How good is your trainer?
C) What certification are you looking at
D) What does the "certification" actually mean.
E) How do you measure benefit.
Perhaps these are good things to share."
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Stephen Cronin's Page
Latest Activity
Stephen Cronin replied to DataLLigence's discussion Oversampling/Undersampling in Logistic Regression
"What would stop you from using a Poisson Regression technique here? like logistic, its log linear in the case of Poisson, Natural log, and I think you could do this in R very quickly and measure the Overdispersion coefficient to see if you have the…"
Stephen Cronin replied to Paul Wilson's discussion Transductive SVM for semi supervised learning in the group Data Mining
"confirmed, and my friend who uses the enterprise rapid miner at work says it does a decent job. I wonder what the cost tag is associated with it."
Stephen Cronin replied to Paul Wilson's discussion Transductive SVM for semi supervised learning in the group Data Mining
"Very interesting. I would love to collaborate on getting a MATLAB version of this up and running to be compiled into C. only problem I see is that SMO scales as an O(n^2) or with some clever tricks a little less then that so it would depend on the…"
Stephen Cronin replied to Gene Leynes's discussion Regression Trees - What is the best reference?
"http://bit.ly/bOzPuq -> will have to hunt for this for free. random forests of multinomial logits. 2008 good for multiclass classification and regression and overcoming curse of dim.
http://bit.ly/asrmLW -> BART. rigor of bayes, coolness of…"
Stephen Cronin replied to Titus's discussion Spam codes, and why spam detection algorithms fail so often [because of naive Bayes being recklessly used]
"I think the main problem here is that Naive Bayes assumes conditional independence between the distribution of input statistics, real life is not quite so simple. I believe that sequential minimal optimization is the way to go these days with spam…"
Stephen Cronin replied to Paul Wilson's discussion Transductive SVM for semi supervised learning in the group Data Mining
"Paul what are you using a TSVM for? I've been looking for a reason to code this up in MATLAB and add it to my companies libraries (actually a TSMO for the speedup). I think you will have some trouble finding this open source at least until one…"
Profile Information
- Short Bio:
- Predictive Analytics professional hell bent on changing the way people deal with big data. expert level experience with implementing modern analytics. SVM, SMO, RVM, clustering, reinforcement learning and all things stats. I run a company that serves these algorithms in a a scalable manner and work very hard to code them myself outside of an open source offering to maintain complete control over every detail of calculation.
- My Website or LinkedIn Profile (URL):
- http://www.abebooks.com
- Field of Expertise:
- Business Analytics, Predictive Modeling, Data Mining, Marketing Databases, Operations Research, Quant, Statistical Programming, Statistical Consulting, Artificial Intelligence
- Years of Experience in Analytical Role:
- 11
- Professional Status:
- Director, C-Level
- Interests:
- Networking
- What is your Favorite Data Mining or Analytical Website?
- http://hunch.net/
- What Other Analytical Website do you Recommend?
- http://beyenetwork.com
- Your Company:
- Amazon Inc.
- Industry:
- Predictive Analytics and Operational ML BI
- How did you find out about AnalyticBridge?
some cool work we did on twitter mention visualization. The begnning steps of some block modelling algorithms. http://apps.asterisq.com/mentionmap/#
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