What approach will you follow to develop the love,like, sad feature on Facebook?
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How would you do market basket analysis in r and python?
Does the data scientist need to know programming?
Explain types of clustering algorithm?
You are creating a report for user content uploads every month and observe a sudden increase in the number of upload for the month of November. The increase in uploads is particularly in image uploads. What do you think will be the cause for this and how will you test this sudden spike?
When do you need to update the algorithm in data science?
What is linear optimization? Where is it used?
How to check the frequency distribution of a categorical variable?
Why data cleaning plays a vital role in analysis?
Explain the term "data warehouse".
Define a sql query? How do you use sql in sas, python, r languages?
Can you provide examples for other computations in spark?
Define feature vector?