Infiniti Research Data Scientist Interview Questions and Answers

1 hour aptitude test

Q1. What is one hot encoding
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Q1. What is your long term goal
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Basic aptitude question

Q1. Basic analysis and ML questions , more focused on approach instead of coding
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Q1. As like other HR rounds
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Q1. Reverse a string in list
Ans. 
Reverse a string in a list of strings
• Iterate through each string in the list

• Use the built-in function to reverse each string

• Store the reversed strings in a new list
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Q2. Explain joins in sql
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Q1. Regression, clustering
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