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ML Knowledge

3 years ago

When working on deep learning models, how do you decide whether to use Rectified Linear Unit or another activation function?

Data Scientist

Amazon Web Services

Eventbrite

ASML

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3 years ago

ML Knowledge

3 years ago

How do precision and recall differ from each other, and how can they help in assessing the effectiveness of machine learning models? What are some limitations of these metrics that you should be aware of?

Data Scientist

Amazon Web Services

Benchling

Broadcom

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3 years ago

Statistics

3 years ago

What is the significance of the X and Y axes on a ROC curve, and how does it impact the analysis process?

Data Scientist

Amazon Web Services

Ticketmaster

Robinhood

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3 years ago

Coding

3 years ago

Let's assume we can only use a random number generator. What steps would you take to generate i.i.d. draws from distribution X?

Data Scientist

Amazon Web Services

ClassPass

HubSpot

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3 years ago

Behavioral

3 years ago

What is your method for analyzing data, from data collection to communicating the results?

Data Scientist

Amazon Web Services

Redfin

Stitch Fix

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3 years ago

ML Knowledge

3 years ago

Of all the deep learning models available, what led you to use LSTM for your projects? Can you provide any examples of how you applied it?

Data Scientist

Amazon Web Services

Lyft

Brex

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3 years ago

Statistics

3 years ago

Can you outline your process for evaluating whether a Gaussian mixture model is appropriate for a specific data set?

Data Scientist

Amazon Web Services

CrowdStrike

Ticketmaster

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3 years ago

SQL

3 years ago

If speed is what matters, would you recommend using joins over subqueries?

Data Scientist

Amazon Web Services

trivago

eToro

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3 years ago

ML Knowledge

3 years ago

Why do you think that Time Series Forecasting is such a valuable tool for businesses to make informed decisions?

Data Scientist

Amazon Web Services

Careem

GoCardless

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3 years ago

Coding

4 years ago

How would you approach coding for the longest consecutive growth stretch in an array with dynamic programming?

Data Scientist

Amazon Web Services

StubHub

Chime

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4 years ago

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^*All interview questions are submitted by recent Amazon Web Services Data Scientist candidates, labelled and categorized by Prepfully, and then published after being verified by Data Scientists at Amazon Web Services.

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