Writing an SQL query on the spot
Associate Data Scientist Interview Questions
500 associate data scientist interview questions shared by candidates
I have cleared two rounds of interview and in the hiring manager round, manager was reluctant to give offer because I left my previous company in 3 months because my last company hiring manager was his friend.
questions of confusion Matrix
How do you estimate the number of fish in an ocean
Why do you want to work here?
What is Adjusted R2 Score? Relationship between R2 Score and Adjusted R2 Score?
Difference between Holt Winter vs ARIMA? Time Series Decomposition used for EDA analysis? Ways to find Anomalies in Time Series Data?
1st round online coding: python questions were easy. SQL questions though lengthy, were also easy. 2nd round Technical: Qns: 1) Explain projects briefly as mentioned in resume 2) Linear regression? Can we use classification with linear regression 3) Logistic regression, threshold score, ROC AUC curve, imbalanced classification 3) Clustering? Hierarchical , K-Means difference and explain 4) Random-forest, decision tree explain 5) Data analysis using pandas 6) Gave a problem case study and asked me to explain the steps taken: build hypothesis, what will be the impact 3rd round Technical: 1) Take one project and explain approach taken to solve in detail: business problem, data sources, pre-processing steps , feature engineering, algorithm used, evaluation metric 2) Random forest explain 3) different evaluation metrics used for classification - precision, recall 4th round HR general background check challenges faced and how did you resolve accomplishments in work
regarding work exp, whatever mentioned inJD and python
Questions on sql, probability, data structures.
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