En la prueba técnica: problemas de algoritmia básica con Python y el desarrollo de un modelo de Machine Learning. Business case relacionado con Glovo.
Sr Data Scientist Interview Questions
3,376 sr data scientist interview questions shared by candidates
Derive MLE, Bayes theorem applied, confusion-matrix questions, classical test that detects well a rare disease and to calculate the risk of having that disease given tested positive
I was asked to explain some different ML models and compare them.
I was asked to talk about a project I am proud of.
Questions that would suit a Business Analyst role, not at all about Data Science.
Find the longest common prefix out of three words: For instance, parachute, party and pareto, the common prefix would be "par"
Some questions about data science concepts, from classification to PCA to NLP.
From basic to advanced and scenario based questions will be asked. You can expect python, ML, Stats questions.
they asking about your backgrounds and questions from the most common problems on leetcode I have canceled the process at the end due to some responsibilities but it was a nice short journey
Product: Imagine there’s an e-commerce website like Amazon that was launched two years ago, and they have been selling products meanwhile collecting reviews from those who have purchased the products in terms of the 1-5 stars and the text reviews. They have decided after two years to put the reviews that we have been collecting on the website and evaluate if they will improve the sales. They designed an A/B testing in which there are 50% control group and 50% treatment group. After they ran the test, they realized that the sales had dropped. What do you think caused the sales drop even though the reviews have been provided to the treatment group? Notes: • There is no novelty effect. • Both groups are completely randomized. • User experience has been the same meaning, there is no extra effort to place an order. • Those in the treatment group who have purchased products are more statistically satisfied than those in the control group. • Users have sorting and filtering options over the reviews.
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