Questions
- What is the aim of data cleaning in the data preparation process?
- Accumulating raw data
- Transforming data into a masterpiece
- Ensuring data is dirty for analysis
- Focusing on data quantity over quality
- Why is it essential to establish a framework and principles for data cleaning efforts?
- To speed up the data cleaning process
- To prevent a cycle of perpetual data cleaning
- To add additional steps in the process of data cleaning
- To create more documentation of data
- What does the process for cleaning data involve?
- Data visualization
- Data assessment, data profiling, data validation, data cleaning strategies, data transformation, data quality assurance, and documentation
- Data storage
- Data generation
- What does data profiling help identify in the data cleaning process?
- Patterns, distributions, and outliers
- Data storage mechanisms
- Data generation techniques
- Data transformation errors
- What is the significance of documenting the data cleaning journey?
- It demonstrates the importance...