Category Archives: Map Reduce

Mining Seasonal Products from Sales Data

Posted on May 30, 2017 by Pranab

The other day someone asked me how to include products with seasonal demand in recommendations based on collaborative filtering or some other technique. The solution to the problem involves two steps. The first step is to identify products with seasonal … Continue reading →

Posted in Big Data, Data Mining, Data Science, eCommerce, Map Reduce, Recommendation Engine | Tagged , , , | Leave a comment

Customer Segmentation with Fisher Discriminant Analysis

Posted on May 5, 2013 by Pranab

In this post, I will focus on a time honored machine learning technique called Fisher Discriminant Analysis and will use it for  customer segmentation for on an line music store customers.  The store offers music of different genres for download. … Continue reading →

Posted in Big Data, Data Mining, Data Science, Hadoop and Map Reduce, Map Reduce, Predictive Analytic | Tagged , , | Leave a comment

Analytic is your Doctor’s Friend

Posted on March 18, 2013 by Pranab

In this post, I will be venturing into the medical domain and show how big data analytic can play a crucial role in the complex and daunting world of health care. There is a  kind of cancer that affects the … Continue reading →

Posted in Big Data, Data Mining, Hadoop and Map Reduce, Map Reduce, Predictive Analytic | Tagged , , , , , | 1 Comment

Simple Hadoop Performance Model

Posted on November 6, 2011 by Pranab

I was motivated to write this post after reading  The Mathematics behind Hadoop Based System.  When you want to improve the performance of your Hadoop application, there are many options to tweak the system. The questions is where to focus … Continue reading →

Posted in Map Reduce, Performance | Tagged , | 6 Comments

Presence Data Analytic using MongoDb and Map Reduce

Posted on January 30, 2011 by Pranab

My last post was on location data query and indexing using MongoDB. Location data query and index support is an unique and powerful feature of MongoDB. Continuing along the same thread, I will dig into Map Reduce framework built right … Continue reading →

Posted in Data Mining, Map Reduce, MongoDB, Ruby | Tagged , , | 2 Comments