History of MySQL
This article was written on Database Friends. It is on Database, visualization and big data news. Blogs are about MySQL, PostgreSQL, Oracle, SQL Server and other DBMS. M...
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Why data preparation should not be overlooked
Data is the new language today. Data leads to insights, and insights help organizations to make actionable business decisions. However, sourcing the data and preparing it...
Your Guide to Master Hypothesis Testing in Statistics
This article was written by Sunil Ray. Sunil is a Business Analytics and Intelligence professional with deep experience. Introduction – the difference in mindset I sta...
Naive Bayes Classification explained with Python code
Introduction: Machine Learning is a vast area of Computer Science that is concerned with designing algorithms which form good models of the world around us (the data com...
How to Discover Hidden Value in Your Customer Journey
The world of business and customer service has changed immensely over the past few years. Whereas once business was largely driven by outbound marketing and advertising, ...
The Best Answers to Your Most Crucial Deep Learning Questions
(picture from www.re-work.co) Most people keep close eyes on the top of the fast-moving technology trends. There’s no doubt that deep learning is most trending buzzword...
Has Deep Learning Made Traditional Machine Learning Irrelevant?
Summary: The data science press is so dominated by articles on AI and Deep Learning that it has led some folks to wonder whether Deep Learning has made traditional mach...
Correlation does not imply causation
A popular phrase tossed around when we talk about statistical data is “there is correlation between variables”. However, many people wrongly consider this to be the e...
Why Data Decays so Fast?
People change jobs, get promoted and move home. Companies go out of business, expand and relocate. Every one of these changes contributes to data decay. It’s been sai...
Understanding machine learning #3: Confusion matrix – not all errors are equal
One of the most typical tasks in machine learning is classification tasks. It may seem that evaluating the effectiveness of such a model is easy. Let’s assume that we h...