Data Intelligence, Business Analytics
Data Science Central Channel for Business Analytics, Data Intelligence, Predictive Modeling, Operations Research, Data Mining.
Posted by Takashi J. OZAKI on April 18, 2016 at 6:36am
Posted by Olga on September 27, 2016 at 7:30pm
Posted by David G. Young on May 1, 2016 at 8:21pm
By data science practitioners and rock star data scientists. Designing better algorithms: 5 case studiesIn this article, using a few examples and solutions, I show that the "best" algorithm is many times not what data scientists or management think…Continue
Started by Vincent Granville in Data Mining Software Nov 1.
Dear all ,After I set up a logistic regression ,KS =43, but after 2 months,when i tested the new population , KS = 31, what will be the reasons?It is a default model.Continue
Started by FRANK in Data Mining Software Sep 27.
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 on Facebook by one of my friends, and supposedly it went viral and was seen more than a million times. I've…Continue
In market mix models, my sales(y) depends on 4 promotions(p1--p4). Let (b11, b21, b31, b41 ) be the coefficients of p1--p4 in one iteration and (b12, b22, b32, b42 ) be the coefficients in the second iteration. I check the validity of the model…Continue
Started by Raghu Chittari in Business Analytics Jun 19.
I am relatively new to predictive modeling techniques and would like to get a few concepts cleared/discussed. I am currently in the process of building a logistic regression model using Weight of Evidence (WOE) technique. Here follows some…Continue
Started by Sayantan Bhattacharya in General Technical Questions Jun 27.