Understanding Overfitting and Underfitting In Layman Terms

Dr. Monica
Mar 15, 2021

Friends, we must have heard these terms i.e Underfitting and Overfitting in building classification ML models. In this blog, I will try to explain in simpler terms. Before understanding these terms we need to know about Bias and Variance. Let’s define it in one simple sentence as below:

Bias:

It is the error of training data.

Variance :

It is the error of testing data.

Underfit Vs Best Model Vs Overfit:

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Dr. Monica

Research aspirant in Machine learning and Data Science. Aspirant to blog about life and it’s experience