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What is the degree of freedom for lasso?
What are Type 1 and Type 2 errors ?
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?
What are the factors used to produce "People You May Know" data product on LinkedIn?
You have a bag with 6 marbles. One marble is white. You reach the bag 100 times. After taking out a marble, it is placed back in the bag. What is the probability of drawing a white marble at least once?
How will you handle missing data ?
Check whether a given integer is a palindrome or not without converting it to a string.
Suppose that American Express has 1 million card members along with their transaction details. They also have 10,000 restaurants and 1000 food coupons. Suggest a method which can be used to pass the food coupons to users given that some users have already received the food coupons so far.
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?
Do you have some knowledge of R - analyse a given dataset in R?
What will be your expected earnings with the two roll strategy?
Burn two ropes, one needs 60 minutes of time to burn and the other needs 30 minutes of time. How will you achieve this in 45 minutes of time ?
How can you build and test a metric to compare ranked list of TV shows or Movies for two Netflix users?
How do you take millions of users with 100's of transactions each, amongst 10000's of products and group the users together in a meaningful segments?
How can you solve a problem that has no solution?
