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Behavioral
2 years ago
What's the usual workflow for a Data Science project, from its kickoff to its wrap-up?
Data Scientist

Roku

Cisco

Arm

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2 years ago
Behavioral
2 years ago
How did you deal with a risk you took?
Data ScientistFrontend EngineerAndroid EngineerSales Engineer

Roku

Panasonic Logo

Panasonic

Leidos Logo

Leidos

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2 years ago
ML KnowledgeML Case
2 years ago
Walk me through a Monte Carlo simulation to estimate Pi.
Data ScientistMachine Learning Engineer

Roku

Grafana Labs Logo

Grafana Labs

Chewy Logo

Chewy

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2 years ago
Coding
2 years ago
How do you code a Python program to output the Fibonacci series up to a certain number?
Data Scientist

Roku

Fitbit Logo

Fitbit

Deloitte Logo

Deloitte

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2 years ago
Behavioral
2 years ago
What makes you want to join Roku?
Data Scientist

Roku

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2 years ago
ML Knowledge
2 years ago
How do you adjust for data skewness when assessing the performance of a model, and what are your go-to metrics?
Data ScientistMachine Learning Engineer

Roku

SeatGeek Logo

SeatGeek

Chime Logo

Chime

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2 years ago
ML Knowledge
2 years ago
Explain Support Vector Machine in detail.
Data Scientist

Roku

Hitachi Logo

Hitachi

eBay Logo

eBay

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2 years ago
Coding
2 years ago
How would you code a function to determine the longest path in a Directed Acyclic Graph (DAG)?
Data ScientistMachine Learning Engineer

Roku

Scribd Logo

Scribd

Plaid Logo

Plaid

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2 years ago
Behavioral
2 years ago
Have you ever received difficult feedback? If so, how did you react to it?
Data ScientistFull Stack Software EngineerFrontend EngineerProgram Manager

Roku

Bol.com Logo

Bol.com

Staples Logo

Staples

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2 years ago
Statistics
2 years ago
Do you know how to code a function that takes N samples from a population with a mean of 0 and standard deviation of 1, then plots the histogram of the data?
Data Scientist

Roku

Peloton Logo

Peloton

Nutanix Logo

Nutanix

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2 years ago

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