-compare json v csv files -take home: create model to measure performance score based on component additions -how do you find fastest 3 horses from 25 with no watch -how can you improve citibikes -weird isolated covid data question where say covid cases are doubled every 3 days.. provided all data collection was uniform and fair, what would you say as a data scientist to those wanting to know about future results -what is standard error (i unfortunately couldnt understand the interviewer's accent on this one, but later figured out what he said) -looking at a sample set of data, make a SQL query to pull time spent on working on a particular component that was opened and saved.... **use 'lead()' and 'lag()'** otherwise you're 'wrong'
