What is the key first step in the Machine Learning pipeline?

Data Collection

Which data preprocessing feature is used to create new features or modify existing ones to improve model performance?

Feature Engineering

During the data splitting step, 20% of the dataset was split for testing. What is the percentage weightage avg of precision of spam detection?

0.98

How many of the test emails are marked as spam?

3

One of the emails that is detected as spam contains a secret code. What is the code?

I_HaTe_BesT_FestiVal