Why is dimensional reduction performed before fitting a support vector machine (svm)?
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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?
Explain the role of activation function?
How would you say data science is similar or different to business analytics and business intelligence?
How will you decide which version (Version 1 or Version 2) of the Surge Pricing Algorithms is working better for Uber ?
What are the different performance metrics for evaluating Uber services?
What are generators in Python?
How can you deal with different types of seasonality in time series modelling?
What is column storage?
Could you draw a comparison between overfitting and underfitting?
You are given two tables- friend_request and request_accepted. Friend_request contains requester_id, time and sent_to_id and request_accepted table contains time, acceptor_id and requestor_id. How will you determine the overall acceptance rate of requests?
Why do you want to work as a data scientist?
How do you treat colinearity?
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