1. Questions about RAG, chunking techniques, Retrieval Optimization, Prompting techniques 2. BERT and embeddings 3. Cloud Managed AI questions
Senior Data Scientist Interview Questions
3,513 senior data scientist interview questions shared by candidates
896. Monotonic Array An array is monotonic if it is either monotone increasing or monotone decreasing. An array nums is monotone increasing if for all i <= j, nums[i] <= nums[j]. An array nums is monotone decreasing if for all i <= j, nums[i] >= nums[j]. Given an integer array nums, return true if the given array is monotonic, or false otherwise.
Create a ML model to detect fraud in transactional data.
Almost no Data Science questions.
NLP concepts. fundamental data science questions .
Some basic questions about ML
What are the odds that a random walk starting at 0 (with a wall, from 0 can only reach 1) will reach point k within n steps? (after reaching point k, extra steps don't matter).
given an array of integers (arr) and an integer (S), find three (not necesarrily different) elements of arr whose sum is closest to S. i.e. arr = [-3, 3, 16, 5, 8], S=12: answer: 5+5+3 = 13. main concern is run time
HR co-ordinator also asked - are you working for a "Body Shop" consulting company?
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