"Any courses on Advance analytics particularly predictive modeling with tool kit of R, Hadoop offered in India?"
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Zabi ulla.S's Discussions
Too many cooks spoil the dish
8 Replies
Started this discussion. Last reply by Tom Wolfer Oct 22, 2010.
Hi, How are you doing?
Profile Information
- Short Bio:
- An analytics professional working in areas like Data mining, Statistical analysis, Statistical modeling, Data management for over 6 years.
A post graduate in statistics has expertise in segmentation, response modeling, brand analysis, cross-sell, up-sell modeling, research analysis, sample projection algorithms using tools like SPSS Statistics, SPSS Clementine, SPSS Dimension, SAS Base, SAS Stat, SAS Enterprise miner, Win Cross, SSAS etc.
- Field of Expertise:
- Business Analytics, Predictive Modeling, Data Mining, Biostatistics, Marketing Databases, Operations Research, Quant, Statistical Programming, Web Analytics, Statistical Consulting, SAS, Industrial Statistics
- Years of Experience in Analytical Role:
- 6
- Professional Status:
- Technical, Manager, C-Level, Consultant
- Interests:
- Finding a New Position, Networking, New Venture
- What is your Favorite Data Mining or Analytical Website?
- http://www.talkstat.com
- What Other Analytical Website do you Recommend?
- http://www.talkstat.com
- Your Company:
- Blueocean
- Industry:
- Market research
- How did you find out about AnalyticBridge?
Latest Activity
Abhay Tiku replied to Zabi ulla.S's discussion Any sample resume for statistician? in the group Resumes
"From an analytics point of view some of the jargon would be imperative to send a more clear message about the proficiency of a statistician or analyst.
That said, a more liberal smattering of statistical or analytics terms might actually be…"
Zabi ulla.S replied to Zabi ulla.S's discussion Outliers in regression environment in the group Analytical Techniques
"Thanks Rick,
I am aware of ROBUST regression in SAS but not sure if I can perform robust regression in SPSS. Is there any spss add ins which performs ROBUST regression?"
Rick Wicklin replied to Zabi ulla.S's discussion Outliers in regression environment in the group Analytical Techniques
"Yes, OLS is influenced by outliers (extreme values of the response variables) and by high-leverage points (extreme values in the space of the regressors. Robust regression techniques are not difficult to use, and most software programs support…"
Zabi ulla.S added a discussion to the group Analytical Techniques
Outliers in regression environment
Hi Guys,Just having hard time dealing with the outliers/influencers/high levarage points in driver's analysis models I am working at. It's basically the periodical tracking data analysis, where every year we do driver's analysis and observe the change points. The OLS technique which we are using looks like not a robust technique to deal with situations of outliers and influencers which substantially affect the regression equation if removed or added new data. Using residual analysis we are…See More
Zabi ulla.S replied to Sharath Dandamudi's discussion Random sampling from a population
"If you following the sampling norms correctly, then diagnose why there is a skewness in your sample data. Most of the time the skewness is due to the fact that sample drawn do not follow simple random sampling assumptions. Based on the diagnosis,…"
Zabi ulla.S replied to DataLLigence's discussion Top 10 modeling mistakes
"Want to add few more critical mistakes, which ranks high in my opinion.
1) No action plan on the modeling results - the analysis is drived only by business problem or some objectives but no action planned on the results.
2) No or indefinite success…"
Tom Wolfer replied to Zabi ulla.S's discussion Factors influencing churn? in the group Telcom Analytics
"Zabi ulla.S,
One more thought about this. If you want to truly predict churn, time series analysis using behavioural data is your best bet.
Thanks,
Tom"
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