Data Cleaning and Transformation

Test your knowledge on Data Cleaning and Transformation techniques commonly used in Big Data Analytics.

15 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is NOT a common data cleaning technique?

  1. Data Standardization
  2. Data Normalization
  3. Data Integration
  4. Data Augmentation
Question 2 Multiple Choice (Single Answer)

The process of converting data from one format to another is known as:

  1. Data Cleaning
  2. Data Transformation
  3. Data Integration
  4. Data Mining
Question 3 Multiple Choice (Single Answer)

Which of the following is NOT a common data transformation technique?

  1. Data Aggregation
  2. Data Filtering
  3. Data Smoothing
  4. Data Discretization
Question 4 Multiple Choice (Single Answer)

The process of identifying and correcting errors and inconsistencies in data is known as:

  1. Data Cleaning
  2. Data Transformation
  3. Data Integration
  4. Data Mining
Question 5 Multiple Choice (Single Answer)

Which of the following is NOT a common data integration technique?

  1. Data Warehousing
  2. Data Federation
  3. Data Virtualization
  4. Data Lineage
Question 6 Multiple Choice (Single Answer)

The process of combining data from multiple sources into a single, unified view is known as:

  1. Data Cleaning
  2. Data Transformation
  3. Data Integration
  4. Data Mining
Question 7 Multiple Choice (Single Answer)

Which of the following is NOT a common data mining technique?

  1. Classification
  2. Clustering
  3. Association Rule Mining
  4. Data Visualization
Question 8 Multiple Choice (Single Answer)

The process of discovering patterns and relationships in data is known as:

  1. Data Cleaning
  2. Data Transformation
  3. Data Integration
  4. Data Mining
Question 9 Multiple Choice (Single Answer)

Which of the following is NOT a common data visualization technique?

  1. Bar Charts
  2. Pie Charts
  3. Scatter Plots
  4. Heat Maps
Question 10 Multiple Choice (Single Answer)

The process of presenting data in a graphical or visual format is known as:

  1. Data Cleaning
  2. Data Transformation
  3. Data Integration
  4. Data Visualization
Question 11 Multiple Choice (Single Answer)

Which of the following is NOT a common data cleaning tool?

  1. OpenRefine
  2. Trifacta Wrangler
  3. RapidMiner
  4. Talend Open Studio
Question 12 Multiple Choice (Single Answer)

The process of removing duplicate data points from a dataset is known as:

  1. Data Deduplication
  2. Data Normalization
  3. Data Integration
  4. Data Mining
Question 13 Multiple Choice (Single Answer)

Which of the following is NOT a common data transformation tool?

  1. SAS
  2. SPSS
  3. R
  4. Tableau
Question 14 Multiple Choice (Single Answer)

The process of converting categorical data into numerical data is known as:

  1. Data Encoding
  2. Data Normalization
  3. Data Integration
  4. Data Mining
Question 15 Multiple Choice (Single Answer)

Which of the following is NOT a common data integration tool?

  1. Informatica PowerCenter
  2. Talend Open Studio
  3. Microsoft SSIS
  4. Tableau