Machine Learning

Question 1

What is the use of the Pandas library in Python?

Answer 1

Pandas is used for data manipulation and analysis, offering data structures and operations for manipulating numerical tables and time series.

Question 2

How do you create a simple linear regression model using scikit-learn?

Answer 2

Import LinearRegression from sklearn.linear_model, create an instance of LinearRegression, and use the fit() method with your data.

Question 3

What function in NumPy can you use to generate a range of numbers?

Answer 3

Use numpy.arange(), which returns evenly spaced values within a given interval.

Question 4

Explain the purpose of the train_test_split function from scikit-learn.

Answer 4

train_test_split splits arrays or matrices into random train and test subsets, which is crucial for evaluating the performance of a machine learning model.

Question 5

Define ‘overfitting’ in the context of machine learning.

Answer 5

Overfitting occurs when a model learns the detail and noise in the training data to the extent that it negatively impacts the performance of the model on new data.

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