They were mostly interested why I wanted the role and my previous experience doing a similar role somewhere else.
Data Scientist Trainee Interview Questions
40,359 data scientist trainee interview questions shared by candidates
willing to relocate, expectation of salary.
The case gave a series of charts and numbers, and was given 30 minutes to look through it and interpret. Question was about email campaign for CPG companies.
What is MFCC and why DCT is used in it?
1. What was your last company developing? 2. Share more details about the company's confidential information than about the projects..
Was asked about sub-setting a data frame, joining data tables (and some questions around left join and right join), and overall steps involved in building ML model. Interviewer also tested in feature engineering and data imputation
asked about polynomial linear regression and overfitting
Evaluation metrics used when datasets are imbalanced, What is F1 score, what do you mean by harmonic mean.
In Coding round first question was based on approximation algorithm and and remaining two were simply based on data Structure and algorithm and in telephonic round question were based on machine learning .
which would be better Bagging and Boosting if we run it on data without removing outliers
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