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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

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

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

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

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

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

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

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

Grafana Labs

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2 years ago

Statistics

2 years ago

Clarify the difference between likelihood and probability?

Data Scientist

Workday

LendingClub

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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