The challenge had 3 parts: SQL, Experiment Design, and Machine Learning. In the SQL portion you had to write some queries to answer complicated real world questions (without any data given, just a schema). In the experiment design portion you are asked to create a hypothetical plan to answer testing a new app. In the Data Science portion, you are asked to perform binary classification on a given data set, and return insights from the classification.
Data Scientist Interview Questions
Data Scientist Interview Questions
In un colloquio per Data scientist, ti verranno poste domande volte a verificare le tue capacità di data modeling, risoluzione di problemi e programmazione. Preparati a rispondere a domande di carattere generale che valutano la tua conoscenza della statistica e della scienza dei dati. Dovresti inoltre prepararti a rispondere a domande aperte mirate a testare la tua creatività, le tue doti comunicative e la tua formazione nella programmazione e modellazione dei dati.
Domande tipiche dei colloqui per Data scientist e come rispondere
Domanda 1: Quali tecniche di data modeling preferisci e perché?
Domanda 2: Come rilevi gli account Instagram fasulli utilizzati per raggirare i consumatori?
Domanda 3: Descrivi quali circostanze richiedono una lista, una tupla o un set in Python.
54,319 data scientist interview questions shared by candidates
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Describe a time that you experienced a difficult problem during an experiment and how did you go about solving the problem.
What is your biggest weakness in regards to this position?
What do you do in your spare time to relax?
What are you interests, future career goals etc
Describe your work experiences
Build a pricing algorithm with an RMSE below a certain threshold.
They gave a hypothetical dataset from a relational database and asked how I'd analyze data from two different tables. The challenge was there was no common key between them.
In technical interviews, one point to notice is that you won't get the usual Customers/Sales exercises. It's all based on their real prod data/prod issues
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