python coding question and data science questions
Associate Data Scientist Interview Questions
500 associate data scientist interview questions shared by candidates
1. Introduce your self 2. company related questions 3. Coding Python related qun (easy)
The overall process took them 45 days! I mean like really? I really should have moved on. Round 1: 1. Home assessment. A stock dataset was given. Clustering and decision tree problems specifically mentioned to be implemented. This is where I put alot of efforts in building models, implementing grid search, making sure I mention evaluation metrics, tree plot, evaluation metrics for clustering was also sent to them. Round 2: 1. How would you tokenize sentence without using spacy or nltk. Using countplot and re.split() ofcourse. 2. A dataset was shown on screen. It was a classification problem. Just try to explain what steps you would take to make ml model. The questions here were too simple. Overall thoughts: 1. No matter how good you are, they will probably look at the number of years of experience you have. 2. They will waste your time by taking multiple rounds of you only to hire some one experienced. 2. Because I don't know where exactly did they measure my problem solving capabilities.
What is overfitting and underfitting.
What's your name Aryaman Singh?
The technical assessment covered topics on statistics, data science concepts, Python or R (your choice), and SQL.
1. What are the hyperparameters in XGBoost? 2. What are type 1 and type 2 errors? ,
Present a data science project and explain variable selection process.
How would I approach one of the problems they are currently struggling with - with additional pros and cons of a few propositions.
Describe how do you use CNN as your project? How difficult it is to explain the feature importance in deep neural networks.
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