Uber Interview Question
What are different Time Series forecasting techniques? Explain PCA with equations? How to solve Multicollinearity? What algorithm you would use to solve driver accepting a requesting? Which supervised algorithm you would pick to solve the above problem? How do you compare the results of the algorithm? Coding question on patients arriving at hospital and doctor attending the patients
Interview Answers
Anonymous
Oct 12, 2016
assuming the mean rate of interval for patient is λ/μ and for doctors mean: The “traffic intensity,” identified by ρ or “rho,” is calculated as λ/μ. The average number of patients waiting in the queue Lq, is (λ2 σ2 +ρ2)/(2(1-ρ)), where σ2 is the variance of Doctors attending . The average amount of time a patient waits is Lq/λ
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