"For a user X, recommend 5 playlists they would like that they haven’t heard before. You can attempt this via SQL or any other programming language of your choice. Please explain your logic."
Data Scientist Interview Questions
40,238 data scientist interview questions shared by candidates
# Q1: Write a function to intersect two *sorted* lists (find common elements) # Write a method taking two lists as input, and returning a new list # You can assume you have a reasonable array/list class available (ArrayList, vector, python list, etc) # Ex: # l1 = [1,2,3,4,5] # l2 = [1,5,7,11,100] # result = [1,5]
How to recommend the price for a new vacation rental.
A two-sample t-test question. Ask how to test launching an app works or not.
The first round questions included basic dataframe manipulations, a regex question on writing a pattern to identify specific phrase which could have any number of random words in between (eg. between high and calorie, there could be any number of words upto 4 eg. high word1 calorie, high word1 word2 calorie' etc). This also needed some basic preprocessings like handling unidecode errors, punctuations and numbers in a string. Another question was a probability based descriptive question and a easy question on coding to print numbers between 0 to 100 which were prime.
How would you query an SQL database with Tera of data?
How would you balance precision and recall?
The analytical question was how to lower the cost of a fleet truck, it is very detail oriented yet very interesting, chanlleging
SQL. And why the number of likes are increasing?
What is 19+NULL in SQL
Viewing 211 - 220 interview questions