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Datos Interview Questions
89,848 datos interview questions shared by candidates
Please briefly introduce yourself Present a data analysis project What’s feature engineering? How did you perform feature engineering in the project What’s your advantages?
The case study tested topics in data extraction, transformation, and querying.
A colleague hands you a model they claim is 99% accurate for a classification task. How do you validate that?
Final round interview was quite difficult. Was asked to derive Fourier transforms and various probability distributions form scratch and speak about physical interpretation of various parameters (in addition to being grilled on over 20+ machine learning topics)
How will you improve conversion?
None really. All was expected
Hopper gets recommendations wrong in 2 ways: it says to buy tickets and ticket prices drop, or it says to wait and prices rise. Say data scientists develop an algorithm that reduces the later. How would you test for a measurable change? What would you control for? What external data would you try to gather to control for the change?
Quantify in number of years, the amount of experience you have working with machine learning algorithms
What is Interquartile range?
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