So, Hello there! Welcome back. Today we will understand what is a confusion matrix and why do we need it?

If you have worked on any classification problem before, then you might have a question in your mind, i.e how to check whether my model is performing up to the mark or not.

But, how will you decide that your model is a good one or it is just classifying without having any sense. So,here Confusion Matrix comes to the rescue.

Let’s take an example of a binary classification problem. A.binary …


So, In this article we will see what is bias and variance and then we will use these concepts to learn what is Underfitting and Overfitting.

What is Bias? Let’s see the what wikipedia says.

( Bias is a disproportionate weight in favor of or against an idea or thing )

or in machine learning, we can say bias is a disproportionate weight in favor of or against a feature. THE SAME THING WE HEAR EVERYWHERE.

What is variance?

( Variance measures how far a set of numbers is spread out from their average value ). …

Himanshu Mehndiratta

So, I am Himanshu. Currently an NLP Research Intern @ Engati. I like working on challenging projects and mostly related to data.

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