Multiple Solutions to Data Scientist Interview Question From Amazon [Rolling Average]
12 هزار بار بازدید -
3 سال پیش
-
This data scientist interview question
This data scientist interview question comes from Amazon and it’s really an interesting question that deals with rolling average, the type of average that we calculate from values in a certain timeframe and we repeat it for all dates in a longer time period.
Link to the question to follow along with me: https://platform.stratascratch.com/co...
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👉 Subscribe to my channel: https://bit.ly/2GsFxmA
👉 Playlist for more data science interview questions and answers: https://bit.ly/3jifw81
👉 Playlist for data science interview tips: https://bit.ly/2G5hNoJ
👉 Practice more real data science interview questions: https://platform.stratascratch.com/co...
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Timeline:
Intro: (0:00)
Interview Question: (0:28)
Framework to solve the problem: (1:40)
Understand your data: (2:36)
Formulate your approach: (6:12)
Common table expressions and interval function: (7:09)
Window Function Approach: (20:35)
Comparison of approaches / Optimization discussion: (25:45)
Conclusion: (28:08)
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About The Platform:
I'm using StrataScratch (https://platform.stratascratch.com/co..., a platform that allows you to practice real data science interview questions. There are over 1000+ interview questions that cover coding (SQL and python), statistics, probability, product sense, and business cases.
So, if you want more interview practice with real data science interview questions, visit https://platform.stratascratch.com/co.... All questions are free and you can even execute SQL and python code in the IDE, but if you want to check out the solutions from me or from other users, you can use ss15 for a 15% discount on the premium plans.
______________________________________________________________________
Contact:
If you have any questions, comments, or feedback, please leave them here!
Feel free to also email me at [email protected]
______________________________________________________________________
#AmazonDataScientistInterview
Link to the question to follow along with me: https://platform.stratascratch.com/co...
______________________________________________________________________
👉 Subscribe to my channel: https://bit.ly/2GsFxmA
👉 Playlist for more data science interview questions and answers: https://bit.ly/3jifw81
👉 Playlist for data science interview tips: https://bit.ly/2G5hNoJ
👉 Practice more real data science interview questions: https://platform.stratascratch.com/co...
______________________________________________________________________
Timeline:
Intro: (0:00)
Interview Question: (0:28)
Framework to solve the problem: (1:40)
Understand your data: (2:36)
Formulate your approach: (6:12)
Common table expressions and interval function: (7:09)
Window Function Approach: (20:35)
Comparison of approaches / Optimization discussion: (25:45)
Conclusion: (28:08)
______________________________________________________________________
About The Platform:
I'm using StrataScratch (https://platform.stratascratch.com/co..., a platform that allows you to practice real data science interview questions. There are over 1000+ interview questions that cover coding (SQL and python), statistics, probability, product sense, and business cases.
So, if you want more interview practice with real data science interview questions, visit https://platform.stratascratch.com/co.... All questions are free and you can even execute SQL and python code in the IDE, but if you want to check out the solutions from me or from other users, you can use ss15 for a 15% discount on the premium plans.
______________________________________________________________________
Contact:
If you have any questions, comments, or feedback, please leave them here!
Feel free to also email me at [email protected]
______________________________________________________________________
#AmazonDataScientistInterview
3 سال پیش
در تاریخ 1400/07/18 منتشر شده
است.
12,028
بـار بازدید شده