How gradient descent work? How to implement Random forest? Explain dimensionality reduction techniques, How to implement Tensorflow? Question on string searching.
Datenwissenschaftler Interview Questions
Datenwissenschaftler Interview Questions
In einem Vorstellungsgespräch für Datenwissenschaftler stellen Arbeitgeber wahrscheinlich Fragen zur Beurteilung Ihrer Kompetenzen in Datenmodellierung, Problemlösung und Programmierung. Bereiten Sie sich darauf vor, allgemeine Fragen zu beantworten, die Ihre Kenntnisse in Statistik und Datenwissenschaft testen sollen. Sie müssen evtl. auch offene Fragen beantworten, mit denen Ihre Kreativität, Kommunikationsfähigkeiten und Ihre Ausbildung in Datenmodellierung und Programmierung geprüft werden.
Typische Bewerbungsfragen als Datenwissenschaftler (m/w/d) und wie Sie diese beantworten
Frage 1: Welche Verfahren der Datenmodellierung bevorzugen Sie und warum?
Frage 2: Wie würden Sie gefälschte Instagram-Konten feststellen, mit denen Verbraucher betrogen werden sollen?
Frage 3: Beschreiben Sie Umstände, die in Python eine Liste, ein Tuple oder Set erfordern.
33,621 datenwissenschaftler interview questions shared by candidates
Tell me about a time working with a teammate where you disagreed on which direction to go. How did you approach resolving this conflict?
All SQL questions in tech screening.
Given an array of integers, find the maximum cumulative sum of a sub-set of the array
Q1) Are you ready to travel? Q2) Projects are 6-9 months, are you interested in this? Q3) Do you know Java? Q4) We offer initially 2 year contracts?
What are the different graph searching algorithm?
I was given a Data set which had id, position_id and resume_title. I had some junk data , which needs to cleaned up and they expect you to do it onsite while two people watch you doing it. Felt like a ridiculous interview ( people watching you ) what you type , if you google for a command or not. I felt that they are not smart people thats why their interview process is like that. I wouldn't work there ever.
Describe the greeks and how they are used in options pricing theory.
Some soft skills questions I was asked include projects I'd like to work on, what I'm looking for in a team, what attracted me to BuzzFeed. The video interview involved using codepad to demonstrate coding ability. I was asked SQL queries and to write code that involved the Jaccard similarity score. I was also asked about A/B testing, hypothesis testing and case studies of attracting users to sites given different features.
take home assignment
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