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Metrics and Experimentation

3 years ago

Imagine you're building a metric to compare two user's Netflix recommended lists of movie/tv show preferences. What factors would you prioritize in the development process?

Data Scientist

Deliveroo

Tinder

eBay

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3 years ago

Statistics

3 years ago

How would you go about synthesizing 1000 normally distributed data points with mean x and variance y, summarizing the dataset, and plotting the density?

Data Scientist

Deliveroo

BuzzFeed

ASML

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3 years ago

ML Knowledge

3 years ago

Would you be willing to demonstrate your understanding of KNN classifiers through construction?

Data Scientist

Deliveroo

Coursera

Expedia

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3 years ago

ML Knowledge

3 years ago

What is the principle behind minimum height trees and their construction methodology?

Data Scientist

Deliveroo

Teradata

Mastercard

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3 years ago

ML Knowledge

3 years ago

In your opinion, what's the ideal way to present machine learning results to decision-makers?

Data Scientist

Deliveroo

Cleo

Huawei

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3 years ago

Statistics

3 years ago

Walk me through the process of differentiating between high variance and high bias in a machine learning model.

Data Scientist

Deliveroo

Duolingo

Pendo

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3 years ago

Analytics Case

3 years ago

What would be your course of action if observe the number of notifications sent has dropped by 15%

Data Scientist

Deliveroo

Ancestry

ByteDance

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3 years ago

ML Knowledge

3 years ago

What is k-means clustering? Does it find a global optimum? Implement k-means clustering, with inputs an N*D matrix and outputs k N_i*D matrices.

Data Scientist

Deliveroo

Audible

Criteo

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3 years ago

Product CaseML Case

3 years ago

What have been the primary factors influencing company's ride requests over the past few years?

Data Scientist

Deliveroo

PagerDuty

Grab

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3 years ago

ML Knowledge

3 years ago

What does the ROC curve depict and what insights does the AUC provide?

Data Scientist

Deliveroo

Postmates

Airtable

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3 years ago

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

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