Write equations for building a classifier using Logistic Regression
Sr Data Scientist Interview Questions
3,367 sr data scientist interview questions shared by candidates
A fair bit of statistics in the context of A/B testing... variance, bootstrap, adjusting for covariates, heterogeneous treatment effects. SQL was not too difficult. Take home was product analytics and experimentation. You are expected to come up with novel metrics. Be prepared to answer questions about ambiguous results, interactions, etc.
Code up a imbalanced classification problem.
You should not assume that a blank means "no" in this case.
Given a long-formatted dataset, write a query to return the top 10 items most commonly sold together
How do you manage expectations with stakeholders of the data team?
Q. What projects you have done? Q. What value you add?
Python data manipulation
personal experience, AB testing, why do you want to work for Linkedin, some business acumen testing
Newton's method: f(x) = x^2. What's x after the second iteration of Newton's method when solving for the roots of f(x)?
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