Posts by Sunil Ray

Are you a MIS/Reporting/BI professional trying to get into data science? Here is a comprehensive article listing down 11 steps you should follow!

Learn various methods of cross validation including k fold to improve the model performance by high prediction accuracy and reduced variance

Introduction GitHub is much more than a software versioning tool, which it was originally meant to be. Now people from different backgrounds and not …

Note: This article was originally published on Oct 6th, 2015 and updated on Sept 13th, 2017 Overview Explanation of support vector machine (SVM), a …

Overview Understand one of the most popular and simple classification algorithms, the Naive Bayes algorithm It is based on the Bayes Theorem for calculating …

Note: This article was originally published on August 10, 2015 and updated on Sept 9th, 2017 Overview Major focus on commonly used machine learning algorithms …

Introduction If you were to ask me 2 most intuitive algorithms in machine learning – it would be k-Nearest Neighbours (kNN) and tree based …

Introduction How many of you have seen this error while building your machine learning models using “sklearn”? I bet most of us! At least in …

Overview Neural Networks are one of the most popular machine learning algorithms Gradient Descent forms the basis of Neural networks Neural networks can be …

Introduction Python is increasingly gaining popularity among machine learning and data science communities across the world – and for the right reasons. It probably …