Chapter 30 Flashcards
What is estimation
A model created from data. It created on the basis of relationship of data. An example of estimation is weather category on atlas. We can not jump directly from hot to cold season. Estimation is not absolute.
What is prediction
What is the probability of moving a value to a certain group. For example a customer probability to buy things in coming 6 months.
What is market basket analysis
With the help of previous data, make bundles of products that are suppose to sell more together. It is done with the help of data mining.
What is finding association roles
It is market basket analysis
What is clustering
Task of segmenting a heterogeneous population into a number of more homogenous sub-groups. In clustering we also need to know the nature of each created group. Examples of clustering are marketing, insurance, land use and seismic studies etc
What is description
What is happening in database
What is most important factor in data mining
accuracy
What is KDD
Knowledge discovery in databases
