How would you group by "stuff" with pandas?
Data Scientist Interview Questions
33,520 data scientist interview questions shared by candidates
Basic ml questions: k-folds cross validation, loss function, imbalanced data, removal of null data etc
Why are you interested in this position?
Qs 1 How in a Chat bot you can differentiate "How are you?" from "Hw r u?" through machine learning. Ans : you can use a voice for filtration because both is pronounced similarly. He was very impressed with the idea and the glow in his eyes showed that he wanted to claim it to be his own Qs2 Gradient dissent and python Ans Explained correctly Qs3 Tumor classification problem Ans : explained using logistic, svr, decision tree via interaction term, feature selection etc. The person i am quite sure was planning to take my ideas to claim his own in the organisation. They had no interest in selecting anyone
mostly HR based in initial rounds
Give an example of an instance when you showed leadership.
I was asked to go through my resume and asked questions based on them. Some questions on the basics of statistics, evaluation metrics, overcoming overfitting and underfitting, and logical questions were asked
Some basic statistics e.g. correlation and variance.
We are going to launch shared rides, what metrics would you use to gauge success
The recruiter had said that the interview challenge revolve around api development. Instead, they asked me to implement k nearest neighbor using a quad tree.
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