How did you prevent overfitting when using Deep Learning models?
Data Scientist Intern Interview Questions
54,205 data scientist intern interview questions shared by candidates
What is p-value, CI
I had a sequence of logs from driver that were timestamps which their apps keeps sending every 15 seconds e.g. [10,25,40, 100, 115, 130, ...]. If the gap is more than 15 seconds then the driver is considered offline. Find the number of hours he was online.
Which syntax of SQL is used to slice dataset into several chunks
Given a list, create a new list that does not include the duplicates of the original list.
pros and cons of random forest and why
How to test a fair coin?
How many sub-spaces can 4 lines divide in 2D? How many sub-spaces can 4 hyperplanes divide in 3D?
Sample k items uniformly at random in a streaming fashion from a list of unknown length.
Case study
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