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ML Knowledge
a year ago
Do you have experience building KNN classifiers independently?
Data Scientist

Workday

Fiverr

Zalora

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a year ago
SQL
a year ago
Please explain how you would identify the top 5 products with the highest sales order count?
Data Scientist

Workday

Rippling Logo

Rippling

GitLab Logo

GitLab

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a year ago
Statistics
a year ago
How do you ascertain the interquartile distance within an unsorted array of decimal figures?
Data Scientist

Workday

LinkedIn Logo

LinkedIn

Groupon Logo

Groupon

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a year ago
ML Knowledge
a year ago
How would you explain the difference between linear and logistic regression to a novice?
Data Scientist

Workday

Robinhood Logo

Robinhood

WorldRemit Logo

WorldRemit

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a year ago
SQL
2 years ago
Imagine you have a SQL table called messages with columns id, sender_id, receiver_id, and message. What query would you use to extract the unique communicators from the table?
Data Scientist

Workday

Yandex Logo

Yandex

Deloitte Logo

Deloitte

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2 years ago
ML Knowledge
2 years ago
Could you explain the disparities between k-means clustering and the k-nearest neighbor algorithm?
Data Scientist

Workday

Mozilla Logo

Mozilla

Palantir Technologies Logo

Palantir Technologies

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2 years ago
Coding
2 years ago
In Python: You have an array of int of len n, sorted, filled with int from 0 to n, e.G. [0,1,2,4,5], you want to find what is the number such as it introduces the problem. Complexity of O(log n) in general required.
Data Scientist

Workday

InVision Logo

InVision

Teradata Logo

Teradata

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2 years ago
Big Data
2 years ago
Please elucidate the concept of MapReduce and the process by which it functions.,
Data Scientist

Workday

Affirm Logo

Affirm

SurveyMonkey Logo

SurveyMonkey

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2 years ago
ML Knowledge
2 years ago
Could you elaborate on the various sampling techniques used in research?
Data Scientist

Workday

Razorpay Logo

Razorpay

Grafana Labs Logo

Grafana Labs

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2 years ago
Statistics
2 years ago
Clarify the difference between likelihood and probability?
Data Scientist

Workday

LendingClub Logo

LendingClub

NetApp Logo

NetApp

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2 years ago

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

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