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Blog Posts

Building an end-end search engine

Posted by Vivek Kalyanarangan on September 9, 2016 at 8:30am

Facebook’s Live video as a growth hacking engine

Posted by Eyal Dror on August 25, 2016 at 12:30pm

How to Setup a Wireless Router for Wifi

Posted by Alexandra Raisman on August 14, 2016 at 12:00pm

Making data science accessible – Data Munging

Posted by Dan Kellett on August 9, 2016 at 1:00am

Importance of Customer Experience in Marketing

Posted by Manav pietro on July 31, 2016 at 10:30pm

Internet Of Things (IOT) - A Privacy concern?

Posted by Vishal Sharma on July 26, 2016 at 7:30am

Analytics in Telecom

Posted by Ivy Pro School on July 15, 2016 at 3:00am

Making data science accessible – HDFS

Posted by Dan Kellett on July 21, 2016 at 2:00am

Forum

Interesting Math Brain Teaser 1 Reply

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

Started by Vincent Granville in Data Mining Software. Last reply by Anand LS 23 hours ago.

Can you explain this mathematical paradox?

The formula e^{Pi * i) = -1 (see picture below) has been deemed one of the most beautiful mathematical equations, see for example a Quora discussion on the…Continue

Started by Vincent Granville in Data Mining Software Sep 5.

Market Mix Models : Confidence in coefficients

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

Tags: effects, model, random, attribution, mixed

Started by Raghu Chittari in Business Analytics Jun 19.

Logistic Regression - General concepts

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.

Queries : Random Forests

Hello All,I am building random forest on employee churn data where %events(churns) is 8%.Is there any upper cutoff on the number of trees  I mention in the RF command?Which accuracy metric should I use to compare one model to…Continue

Started by Raghu Chittari in Data Mining Software Jul 12.

Correct formula for tax-inclusive prices

This applies to products sold in US. If the listed price is tax-inclusive, many businesses will list the price as P = p + p*r, where p is the price before tax, and r the tax rate.However if you do so, you have to pay taxes on p*r: the amount is…Continue

Started by Vincent Granville in Data Mining Software Aug 29.

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