Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.

Python vs R for Data Science: Which Language is Better
Python vs R: which language is better for data science career? Is it hard to choose one out of these two amazingly flexible data analytics languages to learn?
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Most Common Data Science Interview Questions
The most common data science interview questions that cover several technical concepts that you'd use every day on the job.
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Is a Data Science Certificate Worth it?
One of the most common questions that every aspiring data scientist wants to know is 'Is a data science certificate worth it?'.
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Data Science Portfolio Project Ideas That Can Get You Hired
What are some data science portfolio project ideas that can get you the job? Types of projects to include and to avoid in your data science portfolio.
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What Makes a Good Data Scientist?
Learn what sets great data scientists apart from average data scientists.
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SQL Window Functions Interview Questions by Airbnb
SQL Window Functions Interview Questions are common in data science and analytics interviews as data scientists handle time series data on a daily basis.
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Types of Window Functions in SQL and Questions Asked by Airbnb, Netflix, Twitter, and Uber
What are window functions in SQL and their types? Questions related to SQL window functions asked by Airbnb, Netflix, Twitter, and Uber.
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Essential Data Science Skills to Be a Data Scientist
Guide on what are the essential data science skills to be a data scientist who is responsible for analysing large sets of structured and unstructured data.
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4 Resources To Prepare For Data Science Interviews
How I've prepared for data science interviews and the online resources that I've used in the past.
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Facebook Data Science Interview Question and Solution in SQL - Friend Acceptance Rate
This data science interview question was asked by Facebook during a data science interview. It asks the interviewee to calculate the friend acceptance rate.
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Discussing Trade-Offs in Your Code During a Data Science Interview
This data science interview tip is to always communicate trade-offs in your logic as you are coding up your solution.
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Data Scientist Career Path from Novice to First Job
A data scientist career path that will take you to the stages from complete novice to landing your first data science job.
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