Data is generated at an unprecedented speed. Real-time or near-real-time data such as social media feeds or sensor data.

What are the four complexities of data?

What challenges comes from data variety?

It refers to the quality and accuracy of data.

Data that is not related to the study and needs to be removed.

Data comes from various types and formats; including structured and unstructured (images, text, videos, etc.)

What are the factors that contribute to data validity?

• Accuracy

• Timeliness

• Consistency

• Completeness

• All of the above

It refers to a type of data complexity that is a broad amount of data that is not interrelated. This is also known as the Big Data.

Answer explanation

Note for the word broad amount.

This refers to the data organized into a predefined format, typically in relational databases or spreadsheets.

This refers to information associated with specific geographical locations. It includes maps, satellite, imagery, GPS coordinates, and geographic information system (GIS) data.