HighLevel Data Scientist Interview Questions and Answers

PCA is a dimensionality reduction technique, decision tree is a classification algorithm, and computer vision is a field of study focused on enabling computers to interpret and understand visual information.

• PCA is used to reduce the number of variables in a dataset while retaining the most important information.

• Decision trees are used to classify data based on a set of rules and conditions.

• Computer vision involves usin...read more

I have worked on various projects involving machine learning algorithms, hyperparameter tuning, cross validation, and evaluation metrics.

• Developed a predictive model for customer churn using logistic regression and decision trees

• Used random forest algorithm for image classification in a computer vision project

• Implemented hyperparameter tuning using grid search and randomized search for a sentiment analysis project

• Evalu...read more