They asked me to walk through one of my recent end-to-end data science projects and explain how I approached the problem, what techniques I used and the impact it created.
Sr Data Scientist Interview Questions
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shell command two write ngram Python recursive function to convert JSON file into dict R function to find Peaks
Second round questions are: what according to you is data science? -- Answer will be always subjective, Can't we do non-linearity model using logistic regression? Even if you transform variable and use it in model -- statisticians refer the transformed variable as feature and logit is linear to feature.
Asked about background and asked to describe completed projects
We have: [('kevin', 'march', 10), ('mark', 'april', 20), ('bill', 'march', 5), ('mark', 'april', 5), ('sarah', 'march', 2), ('sarah', 'may', 5),] Determine each person has how many records in 'march'. You are allowed just to use built-in functions.
What is are Boosted Trees?
immigration status from HR
Just got an e-mail asking to complete the survey
Basic SQL, Probability and Testing questions.
online test about stats, A/B testing... Reasonable questions.
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