Top 50+ Machine Learning FAQs

Get Answers to Your Most Common ML Questions

1. What is Machine Learning?

Machine Learning is a subset of AI that enables computers to learn from data and improve over time without being explicitly programmed.

2. What are the types of ML?

Supervised, Unsupervised, Semi-supervised, and Reinforcement Learning.

3. What is supervised learning?

In supervised learning, models are trained using labeled data, where the input and expected output are known.

4. What is overfitting?

Overfitting occurs when the model learns noise and details in training data, reducing its performance on unseen data.

5. What is a confusion matrix?

A table used to evaluate the performance of a classification model by comparing predicted and actual results.

6. What is feature engineering?

It is the process of selecting, modifying, or creating new input features to improve model performance.

7. What are popular ML libraries?

Scikit-learn, TensorFlow, PyTorch, XGBoost, LightGBM, and Keras.

8. What is gradient descent?

An optimization algorithm used to minimize the loss function in machine learning models.

9. What is cross-validation?

A method to assess how a model will perform on unseen data by dividing the dataset into training and validation sets multiple times.

10. What is a neural network?

A computational model inspired by the human brain, used especially in deep learning for recognizing patterns.