AiForTeens module 3

What is the function used for 2-class classification?

• Linear regression

• Polynomial

• Logarithmic function

• Sigmoid function

Which of the following situations might need multiple regression?

• Predicting returns of a stock based on number of people buying it

• Classifying a cancerous vs non-cancerous cell

• Predicting price of a shirt based on shirt size AND store popularity

• Predicting test scores based on ONLY weekly hours of study

Why might you use polynomial regression?

• To fit a curve to a dataset instead of a line

• To classify if a polynomial is odd or even

• To cluster together similar data points

• To fit a line to a dataset instead of a curve

Every regression or classification model has parameters to be trained.

• True

• False

What is a vector?

• Another word for a list of 2 things

• Another word for a list of 2 or more things

• Another name for the sigmoid function

• A villain from a certain movie