Overview
Data integration and formatting are essential skills in data science, enabling the combination of data from various sources into a coherent format for analysis. Understanding the different types of data sources, transformation techniques, and ensuring data quality are crucial steps in this process. ...
Key Terms
Example: A CSV file containing sales data.
Example: Changing date formats from MM/DD/YYYY to DD/MM/YYYY.
Example: Data with missing values is considered low quality.
Example: ETL is used to move data from a database to a data warehouse.
Example: Splitting a customer table into separate tables for orders and customers.
Example: A pipeline that extracts data from a database, transforms it, and loads it into a data warehouse.