Author Question: Data-mining methods for predicting an outcome based on a set of input variables is referred to as ... (Read 52 times)

809779

  • Hero Member
  • *****
  • Posts: 579
Data-mining methods for predicting an outcome based on a set of input variables is referred to as
 a. supervised learning.
  b. unsupervised learning.
  c. dimension reduction.
  d. data sampling.

Question 2

Which of the following reasons contributes to the increase in the use of data-mining techniques in business?
 a. The lack of methods to electronically track data
  b. The dearth of information to analyze and interpret
  c. The ability to electronically warehouse data
  d. The ability to manually analyze all the data



jackie

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

a
RATIONALE: Supervised learning is a data-mining method for predicting an outcome based on a set of input variables.

Answer to Question 2

c
RATIONALE: The increase in the use of data-mining techniques in business has been caused largely by three events: the explosion in the amount of data being produced and electronically tracked, the ability to electronically warehouse these data, and the affordability of computer power to analyze the data.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

For a complete list of videos, visit our video library