HEALTH
What is a neural network in data mining?
COMPUTER SCIENCE
What are the different types of spatial data mining?
COMPUTER SCIENCE
What are the goals or tasks that data mining attempts to facilitate?
COMPUTER SCIENCE
in terms of the data relationships found by data mining, sequences refers to:
COMPUTER SCIENCE
What are the five types of knowledge produced from data mining?
ECONOMICS
What is meant by data mining, and why must technical analysts be careful not to engage in it?
COMPUTER SCIENCE
Describe neural networks and genetic algorithms as techniques for data mining. What are the main difficulties in using these techniques?
QUESTION
Marketers use scientific data to design advertising campaigns. Examples include personal data mining; analyzing keywords and phrases from Internet searches; calculating direct-mail response rates; and researching purchase behavior. Identify the use of a scientific principle or technological innovation that has application for print advertising. Share an ad that features this principle or feature.
PROBABILITY
The following categories for type of physical activity involved when an industrial accident occurred appeared in the article “Finding Occupational Accident Patterns in the Extractive Industry Using a Systematic Data Mining Approach” (Reliability Engr. and System Safety, 2012: 108–122): A. Working with handheld tools, B. Movement, C. Carrying by hand, D. Handling of objects, E. Operating a machine, F. Other. Construct a frequency distribution, including relative frequencies, and histogram for the accompanying data from 100 accidents (the percentages agree with those in the cited article): $$ \begin{matrix} \text{A B D A A F C A C B E B A C}\\ \text{F D B C D A A C B E B C E A}\\ \text{B A A A B C C D F D B B A F}\\ \text{C B A C B E E D A B C E A A}\\ \text{F C B D D D B D C A F A A B}\\ \text{D E A E D B C A F A C D D A}\\ \text{A B A F D C A C B F D A E}\\ \text{C D}\\ \end{matrix} $$
COMPUTER SCIENCE
What mining operations are commonly performed on Web usage data? Give an example of each.
ENVIRONMENTAL SCIENCE
Which type of mining is potentially the most harmful to human health? (a) Open-pit mining, (b) Mountaintop removal, (c) Strip mining, (d) Subsurface mining, (e) Placer mining.
ENVIRONMENTAL SCIENCE
Which type of mining is usually most directly harmful to miners? (a) Mountaintop removal, (b) Open-pit mining, (c) Placer mining, (d) Strip mining, (e) Subsurface mining.
EARTH SCIENCE
Which of the following is not a surface-mining method? a. solar evaportion, b. hydraulic mining, c. room-and-pillar mining, d. strip mining.
ENVIRONMENTAL SCIENCE
Which of the following methods is not a subsurface mining method? a. quarrying b. solution mining c. longwall mining d. room-and-pillar mining
ENVIRONMENTAL SCIENCE
Salt is mined underground using what technique? A. longwall mining B. open-pit mining C. solution mining D. surface mining
ENVIRONMENTAL SCIENCE
Which type of mining would NOT be used to mine coal? a. strip mining b. moutaintop removal c. solution mining d. subsurface mining
ENVIRONMENTAL SCIENCE
Choose the best answer. Which type of mining is usually most directly harmful to miners? (a) mountaintop removal (b) open-pit mining (c) placer mining (d) subsurface mining
ENVIRONMENTAL SCIENCE
Which mining method contributes to excessive erosion, increased sediment, water pollution, and air pollution? a. undersea mining b. placer mining c. solution mining d. mountaintop removal
ENVIRONMENTAL SCIENCE
Choose the best answer. What type of mining is potentially the most harmful to human health? (a) open-pit mining (b) mountaintop removal (c) strip mining (d) subsurface mining
ENVIRONMENTAL SCIENCE
What type of mining would most likely be used when a mineral resource is spread evenly and deeply throughout a rock formation, but the ground is not safe for tunneling? a. placer mining b. solution mining c. subsurface mining d. open pit mining
US HISTORY
Define and explain: patio process, hydraulic mining, hard-rock mining
ENVIRONMENTAL SCIENCE
Mining has severe environmental effects. But mining reclamation is costly and difficult. How much reclamation do you think mining companies should be required to do? In your response, consider that mining is a business that operates on profits.
ENVIRONMENTAL SCIENCE
How does hydraulic mining lead to flooding downstream from the mining site?
ENVIRONMENTAL SCIENCE
Describe what a mining company must do to reclaim land after mining is complete.
ENVIRONMENTAL SCIENCE
Which of the following mining methods would most likely be used to mine salt? a. solution mining b. open-pit mining c. solar evaporation d. both (a) and (c)