Subscribe to Vincent Granville's Weekly Digest:

Ralph Winters's Discussions (153)

Search Forum

View

Discussions Replied To (117) Replies Latest Activity

"It's not the actual number that implies discrete/continuous.  It is the domain over…"

Ralph Winters replied May 13, 2011 to Myths- Discrete and Continuous Data

 1 May 13, 2011
Reply by Ralph Winters

"Forecasting would be a subset of prediction. Any time you predict into the future it…"

Ralph Winters replied Mar 31, 2011 to Difference between Prediction and Forecasting

 5 Apr 26, 2011
Reply by Sandeep Raut

"  It depends on what the purpose of the sample is. If you are only looking to extrac…"

Ralph Winters replied Feb 24, 2011 to Random sampling from a population

 3 Feb 25, 2011
Reply by Zabi ulla.S

"Sharath - Overfitting the model is always a possiblility when you have many variable…"

Ralph Winters replied Feb 23, 2011 to Using observation weights to correct bias

 5 Feb 23, 2011
Reply by Sharath Dandamudi

"Sharath - After you construct the observation weight you will need to store it on th…"

Ralph Winters replied Feb 22, 2011 to Using observation weights to correct bias

 5 Feb 23, 2011
Reply by Sharath Dandamudi

"You are only working with 100 observations?  If so, you don't have enough data to ma…"

Ralph Winters replied Feb 8, 2011 to Model Accuracy - In logistic Regression

 7 Feb 8, 2011
Reply by Angshuman Saha

"Hari, What are the specific statistics associated with the 88% and 27% prediction ac…"

Ralph Winters replied Feb 7, 2011 to Model Accuracy - In logistic Regression

 7 Feb 8, 2011
Reply by Angshuman Saha

"There are many different kinds of correlation.  The correlation of which you speak i…"

Ralph Winters replied Feb 5, 2011 to Query on finding correlation between binary target variable and continuous input variable

 3 Aug 19, 2011
Reply by shaohua zhang

"  Minethedata:   http://www.med.univ-rennes1.fr/wkf/stock/RENNES20100407100014blavio…"

Ralph Winters replied Feb 5, 2011 to How to determine the 'Optimum' sample size

 5 Feb 5, 2011
Reply by Ralph Winters

"by variables,  I mean main effects in the model.  There is a paper by Peduzzi that d…"

Ralph Winters replied Feb 3, 2011 to How to determine the 'Optimum' sample size

 5 Feb 5, 2011
Reply by Ralph Winters

RSS

Top Content 

1 Map of Data Science University Programs

Map of Data Science University Programs
2 Use PRESS, not R squared to judge predictive power of regression

Use PRESS, not R squared to judge predictive power of regression
3 Why is it so hard to count this way?

Why is it so hard to count this way?
4 Text mining: alternative to Wordflex?

Text mining: alternative to Wordflex?
5 Audience expansion

Audience expansion
6 How to develop churn prediction model for telecom company?

How to develop churn prediction model for telecom company?
7 Strategy for building a “good” predictive model

Strategy for building a “good” predictive model
8 The End of Theory: The Data Deluge Makes the Scientific Method Obsolete | Wired

The End of Theory: The Data Deluge Makes the Scientific Method Obsolete | Wired
9 Identifying the number of clusters: finally a solution

Identifying the number of clusters: finally a solution
10 Can we automate data mining?

Can we automate data mining?

Follow us

Big Data Jobs

Decision Scientists- Decision Sciences

Data Scientist - Electronic Arts

Data Analyst, Senior - Microsoft

Software Engineer - Cloud Computing Platform - VMware

Data Analyst - Corporate Analytics - Visa

Sr. Analyst, HR Analytics - Yahoo

Data Scientist - Facebook

Data Scientist - Spencer Reed Group, LLC

Lead Business Analyst - Google

Machine Learning Analyst - AxDx

© 2013   AnalyticBridge.com is a subsidiary and dedicated channel of Data Science Central LLC

Badges  |  Report an Issue  |  Terms of Service