Cos'è l'apprendimento supervisionato e non supervisionato?
Data Scientist Internship Interview Questions
128 data scientist internship interview questions shared by candidates
Take home coding test with a dataset from Kaggle
Explain neural networks like you would explain to a 5 yr old
What was one problem and how did you solve it?
Pourquoi avoir postulé chez Datadog ?
Expected number of coin tosses in order to get 2 heads in a row.
What is PCA ? Random Forest ? Questions on bias / variance, technical precisions on other machine learning concepts. Various exercices: estimate the number of buses that circulate in London in a day; imagine that you have bike stores and various data on sales from past 10 years (sales per store, per bike model) , how can you use machine learning to improve the business model?; imagine that you have a travel agency website, a given destination has various information (price, text, etc) but also images, photos of the place, how can those photos be used to make the recommendation system better?
Please describe BCG X in 3-5 sentences (who are we, what do we do?) What motivated you to apply to BCG X?
Expliquer le modèle de régression logistique (modèle, équations, calcul de l'optimum). Etude de cas pratique.
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