given n samples from a uniform distribution [0, d], how to estimate d?
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.
54,189 data scientist interview questions shared by candidates
Given that one coupon was used, what is the likelihood that another person will use the coupon - ie. that both of them will use the coupon?
Building a histogram of post reply count in SQL (number of posts with x replies, x+1 replies, etc). Building a table with a summary of feature usage per user every day (keep track of the last action by user and roll that up every day). Basic conditional probabilities (check out brilliant.org for their source of inspiration)
Flip one coin 10 times and obtain one H, what is the p value and null hypothesis?
You randomly draw a coin from 100 coins - 1 unfair coin (head-head), 99 fair coins (head-tail) and roll it 10 times. If the result is 10 heads, whats the probability that the coin is unfair?
Throw a fair die 100 times, what is the probability that you will get more than 75 tails?
I guess not really a question because I was not asked - but several times the same person said she did not think I would be happy there.
What thing about yourself other than experience and grades would make you a better candidate than the other people?
When can you start to work?
As a part of a bigger question: "How do you draw a uniform random sample from a circle in polar coordinates?"
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