Edunet Foundation Data Analyst Intern Interview Questions and Answers

Pandas, NumPy, and SciPy are commonly used libraries in data cleaning algorithms.

• Pandas is used for data manipulation and cleaning tasks like handling missing values and duplicates.

• NumPy is used for numerical operations and array manipulation.

• SciPy is used for scientific and technical computing tasks like interpolation and optimization.

ETL stands for Extract, Transform, Load. It is a process used to extract data from various sources, transform it into a consistent format, and load it into a data warehouse for analysis.

• Extract: Data is extracted from multiple sources such as databases, files, APIs, etc.

• Transform: Data is cleaned, filtered, aggregated, and transformed into a consistent format suitable for analysis.

• Load: The transformed data is loaded i...read more