Blackstraw AI Senior Data Scientist Interview Questions and Answers

List is mutable, tuple is immutable. Day-to-day work involves data analysis and modeling. Favorite project involved developing a predictive analytics model.

• List can be modified after creation, tuple cannot

• List uses square brackets [], tuple uses parentheses ()

• Day-to-day work includes data cleaning, exploratory data analysis, model building, and communication of results

• Favorite project involved collecting and analyzing ...read more

Regression predicts continuous values, while classification predicts discrete values.

• Regression algorithms predict continuous values, such as predicting house prices based on features like size and location.

• Classification algorithms predict discrete values, such as classifying emails as spam or not spam based on content.

• Regression algorithms include linear regression, polynomial regression, and support vector regressio...read more

RNN is used for sequential data like time series, while CNN is used for spatial data like images.

• RNN processes sequential data by maintaining memory of past inputs, suitable for time series forecasting.

• CNN is designed for spatial data like images, using filters to extract features and patterns.

• RNN is good for text data analysis, language translation, and speech recognition.

• CNN is commonly used in image recognition, obj