Data Science Educational Resources
StrataScratch is a data science educational platform with over 1,000+ real interview questions from your favorite companies.
Interviews
Python Window Functions
This article focuses on different types of Python window functions, where and how to implement them, practice questions, reference articles and documentation.
Abhishek Ramesh -
Machine Learning Engineer Interview Questions
Are you a machine learning engineer looking for a new job? Find out what kind of questions major tech companies ask the candidates for this very position!
Nathan Rosidi -
Decision Tree and Random Forest Algorithm Explained
In this article, we’re going to deeply address everything related to the Decision Tree algorithm and its extension “Random Forest algorithm”.Nathan Rosidi -
How to Nail a Data Science Interview at Google - Real Interview Scenario
Do you have a data science job interview coming up? Get well prepared by looking at this real interview scenario from Google! Are you able to answer this set of data science interview questions?Nathan Rosidi -
Data Engineer Interview Questions
A blog for all the budding Data Engineers to understand some SQL interview questions with hands-on practice through the StrataScratch platform.Nathan Rosidi -
Assignment Solutions: Basic SQL 2
The explanations and solutions for answering the question in the Assignment: Basic SQL 2.Nathan Rosidi -
Solving LeetCode Meeting Rooms Problem for Data Science Interviews
Explaining two possible Python solutions to the LeetCode Meeting Rooms problem which is one of the most interesting and common algorithm problems.
Irakli Tchigladze -
Solving LeetCode Coin Change Problem for Data Science Interviews
Explore three different solutions to a difficult Python problem “LeetCode Coin Change Problem”Irakli Tchigladze -
How to Use STRING_AGG to Solve SQL Questions in Data Science Interviews
STRING_AGG is a rather rarely used SQL aggregation function but it sometimes comes useful when solving data science interview tasks. An example of this is the recent and very tasty interview question from Amazon that deals with some cookbook titles.Nathan Rosidi -
Assignment Solutions: Basic SQL 1
Take a look at the solutions and explanations to the Assignment: Basic SQL 1.Nathan Rosidi -
SQL Aggregate Functions - Interview Question by the City of San Francisco
Learn the crucial SQL aggregate function concepts by solving this interview question.Nathan Rosidi -
Solving LeetCode Word Break Problem for Data Science Interviews
Solve this LeetCode Python challenge called “Word Break” to sharpen your skillsIrakli Tchigladze -