How to choose the right chart in case of creating a viz?
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Explain the difference between data modeling and database design?
How will you test that there is increased probability of a user to stay active after 6 months given that a user has more friends now?
Explain the decision tree algorithm, and how is it different from the random forest algorithm?
How do you build a custom function in python or r?
What do you understand by the lattice package?
What is column storage?
What devices or tools help you most as a data scientist?
How will you compare the results of various machine learning algorithms?
Name some kinds of graphs and explain how you would build them in python or r.
What is an example of a data set with a non-gaussian distribution?
You are given a training dataset of users that contain their demographic details, the pages on Facebook they have liked so far and results of psychology test based on their personality i.e. their openness to like FB pages or not. How will you predict the age, gender and other demographics of unseen data?
What is meant by binomial distribution?
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