KPMG India Data Scientist Interview Questions and Answers

Linear regression is a statistical method used to model the relationship between a dependent variable and one or more independent variables.

• Linear regression is used to predict the value of a dependent variable based on the value of one or more independent variables.

• It assumes a linear relationship between the independent and dependent variables.

• The goal of linear regression is to find the best-fitting line that minimi...read more

List and tuple are both data structures in Python, but list is mutable while tuple is immutable.

• List is denoted by square brackets [] while tuple is denoted by parentheses ().

• Elements in a list can be changed, added, or removed, while elements in a tuple cannot be changed once defined.

• Lists are used when you need a collection of items that may change, while tuples are used for fixed collections of items.

• Example: list =

Developed a predictive analytics model to forecast customer churn for a telecom company.

• Utilized machine learning algorithms such as logistic regression and random forests

• Cleaned and preprocessed large datasets to improve model accuracy

• Collaborated with cross-functional teams to gather domain knowledge and insights