What machine learning model would you use to classify fraudulent transactions on credit cards?
Data Scientist Internship Interview Questions
54,205 data scientist internship interview questions shared by candidates
Tell a time when you had to persuade a time.
Given an event-level table of interactions between pairs of users (note that there aren't duplicates in one day for one pair of users), for each possible number of "people interacted with" find the count for that group in a given day (i.e. 10 people interacted with only one person, 20 with 2, etc.).
Write a program in Python to calculate tax if Salary and Tax Brackets are given as list in the form [ [10000, .3],[20000, .2], [30000, .1], [None, .1]]. You don’t know in the beginning how many tax brackets are there. You have to test for all of them.
How can Facebook figure out when users falsify their attended schools?
What is the expectation of the variance?
If you can build a perfect (100% accuracy) classification model to predict some customer behavior, what will be the problem in application?
When you have a time series data by monthly, it has large data records, how will you find out significant difference between this month and previous month
Ho 5 zucche, pesate a coppie, e le pesate sono 21kg, 22kg, etc. . Come posso trovare il peso totale delle zucche?
Some Algorithmic questions followed by stats question. No SQL
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