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Generalized Coefficient of Correlation for Non-Linear Relationships

What is the best correlation coefficient R(X, Y) to measure non-linear dependencies between two variables X and Y? Let's say that you want…

Started by Vincent Granville in Data Mining Software

2 Feb 17, 2018
Reply by Timothy Gardner

Question about Some Statistical Distributions (Updated)

What are the potential distributions for a continuous variable X on [0, 1], if |2X - 1| is known to have a uniform distribution on [0, 1]?…

Started by Vincent Granville in Data Mining Software

0 Feb 12, 2018

Model Accuracy - In logistic Regression

  Hi Members,   I built a model for creating a Churn model. In my training dataset and infact in my entire population I have about 12% of c…

Started by Hari in Risk Management

8 Jan 29, 2018
Reply by Lily Elizabeth John

Normalized odds-ratio

Let's say you want to measure someone's success by the number of dates he/she managed to get: A is the number of persons you wanted to dat…

Started by Vincent Granville in Data Mining Software

9 Nov 2, 2017
Reply by Lemaire

How to learn "SAS Enterprise Miner" or "SPSS Clementine"?

Hello, I'm interested in learning one of these two tools. What would you recommend? Are there any good books or training program that is n…

Started by Sandro Saitta in Careers and Consulting

37 Oct 22, 2017
Reply by Anshul Srivastava

My paper on Differential Geometry on Graphs with applications to Foreign Exchange Option Symmetry

Dear Colleagues, I would like to bring to your attention my paper of 2001 on differential geometry on graphs with applications to the fore…

Started by Valery A. Kholodnyi in Quant

0 Oct 2, 2017

Interesting Math Brain Teaser

We see them all the times, some companies are still using them to hire people - a bad idea in my opinion. Anyway I've found this one posted…

Started by Vincent Granville in Data Mining Software

4 Sep 12, 2017

Two Great Courses on Deep Learning and AI

Deep Learning, Neural Networks and AI The course is a new one by Andrew Ng, Co-founder, Coursera; Adjunct Professor, Stanford University; f…

Started by Vincent Granville in Data Mining Software

0 Aug 10, 2017

Hidden Decision Trees vs. Decision Trees or Logistic Regression

Hidden Decision Trees is a statistical and data mining methodology (just like logistic regression, SVM, neural networks or decision trees)…

Started by Vincent Granville in Data Mining Software

18 Aug 10, 2017
Reply by Vincent Granville

Techniques to address very low event rate for Logistic Regression Model

 Hi Folks, I am looking at data form a telecom company and  developing model  to predict an event ( read churn). I am planning to develop…

Started by Himanshu Sinha in Business Analytics

7 Aug 10, 2017
Reply by Zunqiu Chen


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