Data Cleaning and Transformation
Test your knowledge on Data Cleaning and Transformation techniques commonly used in Big Data Analytics.
Questions
Which of the following is NOT a common data cleaning technique?
- Data Standardization
- Data Normalization
- Data Integration
- Data Augmentation
The process of converting data from one format to another is known as:
- Data Cleaning
- Data Transformation
- Data Integration
- Data Mining
Which of the following is NOT a common data transformation technique?
- Data Aggregation
- Data Filtering
- Data Smoothing
- Data Discretization
The process of identifying and correcting errors and inconsistencies in data is known as:
- Data Cleaning
- Data Transformation
- Data Integration
- Data Mining
Which of the following is NOT a common data integration technique?
- Data Warehousing
- Data Federation
- Data Virtualization
- Data Lineage
The process of combining data from multiple sources into a single, unified view is known as:
- Data Cleaning
- Data Transformation
- Data Integration
- Data Mining
Which of the following is NOT a common data mining technique?
- Classification
- Clustering
- Association Rule Mining
- Data Visualization
The process of discovering patterns and relationships in data is known as:
- Data Cleaning
- Data Transformation
- Data Integration
- Data Mining
Which of the following is NOT a common data visualization technique?
- Bar Charts
- Pie Charts
- Scatter Plots
- Heat Maps
The process of presenting data in a graphical or visual format is known as:
- Data Cleaning
- Data Transformation
- Data Integration
- Data Visualization
Which of the following is NOT a common data cleaning tool?
- OpenRefine
- Trifacta Wrangler
- RapidMiner
- Talend Open Studio
The process of removing duplicate data points from a dataset is known as:
- Data Deduplication
- Data Normalization
- Data Integration
- Data Mining
Which of the following is NOT a common data transformation tool?
- SAS
- SPSS
- R
- Tableau
The process of converting categorical data into numerical data is known as:
- Data Encoding
- Data Normalization
- Data Integration
- Data Mining
Which of the following is NOT a common data integration tool?
- Informatica PowerCenter
- Talend Open Studio
- Microsoft SSIS
- Tableau