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Data Scientist Interview Questions
Data Scientist Interview Questions
In een sollicitatiegesprek voor de functie data scientist (M/V/X) kunt u verwachten dat de werkgever vragen stelt die uw vaardigheden voor gegevensmodellering, probleemoplossing en programmeren onderzoeken. Wees voorbereid op algemene vragen die uw kennis van statistiek en data science. Stel u ook in op open vragen die uw creativiteit, sociale vaardigheden en formele opleiding in gegevensmodellering en programmeren testen.
Meest gestelde sollicitatievragen voor een data scientist (M/V/X) en hoe te antwoorden
Vraag 1: Welke gegevensmodelleertechnieken hebben uw voorkeur en waarom?
Vraag 2: Hoe zou u nepaccounts op Instagram detecteren die gebruikt worden om consumenten op te lichten?
Vraag 3: Beschrijf omstandigheden die een lijst, tupel of set in Python vereisen.
54,345 data scientist interview questions shared by candidates
You are playing a coin game between yourself and an opponent on a round table. The object is to place coins one after another until the table is filled with a single layer of coins. Would you go first or second and why?
How would you go about formulating the problem of predictive maintenance on an aircraft?
Previous works and projects
I cannot reveal the questions I got asked. But here's some that has very similar flavor: 1) Check if an integer is a palindrome (do not convert the integer to string) 2) Given 2 sorted arrays of integers, code to find a number from each array such that their sum are closest to some integer K? 3) What is the degree of freedom for lasso?
Difference between logit and probit models.
Why is the sum of squares error used?
You have a function which gets k as input and in o(1) time returns a random number between 1 to k. Create a function that returns a random permutation (a list of the numbers 1 to n in a random order), optimize for speed (I think O(n) is best).
How might you determine if the size of a specific item is a significant feature in determining the customer's calculated propensity to buy it?
How to verify that a catalog mailed to customers has been well-received?
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