Tiger Analytics Interview Questions, Process, and Tips

Q1. SQL basics to advanced, Snowflake features and implementations
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Q1. Around Project implementations
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Q1. Snowflake features
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Q1. What is PCA? Explain the working.
Ans. 
PCA stands for Principal Component Analysis. It is a dimensionality reduction technique used to reduce the number of variables in a dataset while preserving the most important information.
• PCA is used to transform high-dimensional data into a lower-dimensional space by finding the principal components that explain the maximum variance in the data.

• The first principal component is the direction in which the data varies th...read more
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Q2. Python code to sort elements
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Python code to sort elements in an array of strings
• Use the sorted() function to sort the elements in the array

• Specify the key parameter if you want to sort based on a specific criteria

• Use the reverse parameter to sort in descending order if needed
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Q1. Python question on list comprehension
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Q2. Python related questions
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Q1. Multiple questions about healthcare domain and analytics
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Given a case study about US Healthcare payer to migrate data to cloud