Goldman Sachs Data Scientist Interview Questions and Answers

DSA and ML, AI, Coding question

Q1. Case study which was easy
Add your answer

Q1. In depth questions on ML
Add your answer

Machine Learning, Metrics

Q1. Some basic questions of excel, SQL and Python. Focused more on projects mentioned in CV
Add your answer

How much you rate in Python and SQL

Q1. Explain about how recommendation engine work
Ans. 
Recommendation engines analyze user data to suggest items based on preferences and behavior.
• Recommendation engines use collaborative filtering to suggest items based on user behavior and preferences.

• They can also use content-based filtering to recommend items similar to ones the user has liked in the past.

• Some recommendation engines combine both collaborative and content-based filtering for more accurate suggestions.

• Ex...read more
Answered by AI
Add your answer

Q1. Questions on Python datatypes, class, object, inheritance,
Add your answer
Q2. Machine learning algorithms
Ans. 
Machine learning algorithms are used to train models on data to make predictions or decisions.
• Supervised learning algorithms include linear regression, decision trees, and neural networks.

• Unsupervised learning algorithms include clustering and dimensionality reduction.

• Reinforcement learning algorithms involve learning through trial and error.

• Examples of machine learning applications include image recognition, natural l
Answered by AI
Add your answer
Q3. Sql queries and python coding questions
Add your answer

Q1. Related to project
Add your answer

Q1. Basic DS question like how to handle missing features
Add your answer

Q1. Case study based questions
Add your answer

Q1. Past projects of machine learning
Ans. 
Developed a predictive model for customer churn using machine learning algorithms.
• Used Python and scikit-learn library for data preprocessing and model building

• Performed feature engineering to improve model performance

• Evaluated model performance using metrics like accuracy, precision, and recall
Answered by AI
Add your answer
Q2. Distributed computing and spark questions
Add your answer

Q1. About Resume and basic ML
Add your answer