Which one IS NOT a sample of classification problem?
To predict the amount of money a customer will spend in one year.
Which of the following statements are TRUE about Logistic Regression? (select all that apply)
Logistic regression can be used both for binary classification and multi-class classification Logistic regression is analogous to linear regression but takes a categorical/discrete target field instead of a numeric one.
In logistic regression, the dependent variable is binary.
Which of the following examples is/are a sample application of Logistic Regression? (select all that apply)
The probability that a person has a heart attack within a specified time period using person’s age and sex.
Customer’s propensity to purchase a product or halt a subscription in marketing applications.
Likelihood of a homeowner defaulting on a mortgage.
Estimating the blood pressure of a patient based on her symptoms and biographical data.
Which one is TRUE about the kNN algorithm?
kNN algorithm can be used to estimate values for a continuous target.
What is “information gain” in decision trees?
It is the entropy of a tree before split minus weighted entropy after split by an attribute.