Databases

Question 1

used to automatically analyze large pools of data (big data) to help us find hidden patterns, infer rules, and predict future behaviour

Answer 1

data mining

Question 2

types of information from dating mining

Answer 2

associations; sequences; classifications; clusters; forecasts

Question 3

occurrences linked to a single event; when customers buys chips, theres a 65% chance they will also buy pop

Answer 3

associations

Question 4

events that are linked over time; when someone buys a house, they will purchase a fridge within 2 weeks

Answer 4

sequences

Question 5

discover properties and patterns of pre-defined groups; a phone company wants to know more about customers who have left them

Answer 5

classifications

Question 6

allows us to discover different groupings and their associated properties; identify customer segments so marketing strategies customized

Answer 6

clustering

Question 7

predict future values using past values; given the past 6 months’ sales data, what can we expect to see for the next 6 months

Answer 7

forecasts