1) What is central limit theorem, how do you apply it in a simulation environment. 2) Limitations of Python programming language 3) How to evaluate accuracy of ML model and reduce complexity in terms of the number of features 4) How to perform dimensional reduction 5) Describe experience related to application of theoretical concepts to real-world problems. 6) Describe a project involving E2E DS process or lifecycle
The OA was codesignal core ml framework, including 6 MCQs, 1 computation problem, 2 ML coding and 1 LC style coding.
Project related question and deep dive
What is your experience monitoring ml models in production
Basic whiteboard coding questions
Python string manipulation, basic data structures. SQL build KPIs from a sample data
Leetcode medium coding questions. Both data structure and algorithms.
Dynamic programming related coding question
How do you deal with a difficult person?
I did not have any difficult of unexpected questions. Just conversation about my background.
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