What is overfitting and how you deal with it
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.
54,277 data scientist interview questions shared by candidates
# Q2: Same as Q1, but now assume there can be duplicates. The output should not have duplicates # Ex: # l1 = [1,2,3,4,5,5,5] # l2 = [1,5,7,11,100] # result = [1,5]
How do you handle conflict?
for the brain games they asked things like what is the fastest route to get out of the box
Easy questions
What’s the probability of observing 1000, given mu = 0 and Sd = 1.
I have a deck and take one card at random. What is the probability you guess it right? Then I give you two questions and you can only ask one: a - is the card red b - is the card 10 spades Which one would you ask and why?
First round: tell me about your background, why are you interested in this position? Second round: How to figure out competitor's tipping pattern
What is the bias-variance trade-off?
In a 52 cards game, you randomly draw 5 cards, then return 4 back to the dealer and you keep 1. The dealer will always know what card is in your hand. Can you tell me what strategy he used?
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