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The Math Behind: Everything about Principle Component Analysis (PCA)

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PCA reduces the dimensionality of data points that are in many spaces. Some ready codes and libraries allow coders to create PCA easily, however, do you know what is PCA and how does it...
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The Business Value Problem with Analytics

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Analytics has a value problem. This is not new. In fact, we have been talking about this for decades. That notorious failure rate to meet expectations from analytics has been stuck at 60-70% for as...
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Simulating Popular Distributions in Python

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Interest in machine learning and data science has been growing at a rapid rate in recent years. More and more students are enrolling in online data sciences courses that are great at teaching them...
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The disparity – Correlation vs Causation

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We humans love to hear and tell stories. We are destined to naturally look for patterns in our day to day life events and we like to connect the dots, relate one event to...
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How do Regression Trees Work?

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Previously we spoke about decision trees and how they could be used in classification problems. Now we shift our focus onto regression trees. Regression trees are different in that they aim to predict an...
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An Anecdote of Averages!

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Get to know the 3 M’s - Mean, Median, Mode of statistics a little deeper, they trick you more so often. We encounter sentences like “The average salary of a teacher in the..”, almost on...
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Please don’t let the data speak!

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The world of data and analytics is full of misunderstanding and misinformation. Unfortunately, a lot of this is perpetuated not just by data laypersons but by professionals of all kinds—from data scientists to vendors,...