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Data Interview Questions
132,942 data interview questions shared by candidates
Different between UDP and TCP
Draw a clock. What is the degree difference between the hour and minute hand if the time is 3:15?
How to reduce number of variables in Logistic regression and random forest?
The interviewer asked about random forest and how it works. When I said that each decision tree in the forest considers a random subset of features, he disrespectfully interrupted me and told me that I am wrong. Then he scolded me for giving the "wrong" answer.
If you're trying to predict the gender of your customers and you only have 100 data points, what are possible problems?
Everything was pretty straightforward, just read some BI interviews and make sure you can talk about your professional/student experience.
References?
How does Trivago make money?
There were 2 rounds of case interviews and 1 round for presentation of the Data Challenge that I passed before the 1:1 interview
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