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Create a program in a language of your choice to read a text file with various tweets. The output should be 2 text files-one that contains the list of all unique words among all tweets along with the count for repeated words and the second file should contain the medium number of unique words for all tweets.
373You can roll a dice three times. You will be given $X where X is the highest roll you get. You can choose to stop rolling at any time (example, if you roll a 6 on the first roll, you can stop). What is your expected pay-out?
339You are at a Casino. You have two dices to play with. You win $10 every time you roll a 5. If you play till you win and then stop, what is the expected pay-out?
371What are the metrics you will use to track if Uber's paid advertising strategies to acquire customers work? How will you figure out the acceptable cost of customer acquisition?
Uber,
303How will you design the heatmap for Uber drivers to provide recommendation on where to wait for passengers? How would you approach this?
Uber,
1720Case Study based questions - Cars are implanted with speed tracker so that the insurance companies can track about our driving state. Based on this new scheme what kind of business questions can be answered?
465Which technique will you use to compare the performance of two back-end engines that generate automatic friend recommendations on Facebook?
451You have two tables-the first table has data about the users and their friends, the second table has data about the users and the pages they have liked. Write an SQL query to make recommendations using pages that your friends liked. The query result should not recommend the pages that have already been liked by a user.
426Post New Data Science Questions
Explain p-value?
What devices or tools help you most as a data scientist?
Can you define convex hull?
Explain about the various time series forecasting technqiues.
Can you explain data preparation?
Explain Examples of Data Science?
Explain OLS in brief?
Explain the difference between sas, r and python programming?
Will Uber cause city congestion?
Explain unsupervised learning?
What are independent graphics subsystems?
How decision tree algorithm is different from the random forest algorithm?
You own a clothing enterprise and want to improve your place in the market. How will you do it from the ground level ?
How to run a pycharm debugging?
What is the roc curve?
