Portals that store data and enable users to navigate and query these data are

Descriptive analytics for social media feature such items as your followers as well as the content in online conversations that help you to identify themes and sentiments

Indicate whether the statement is true or false

Which of the following is a characteristic of decision trees?

A) They are a supervised data mining technique. B) They are used to select variables that are then used by other types of data mining tools. C) Special training is required to understand and implement them. D) Partial data or multiple variables cannot be used while using decision trees.