DATA MINING

1. Data mining is

• Actual discovery phase of knowledge of KDD

• Stage of selecting right data in KDD

• Transformation phase of data in KDD

• All the above

The problem of finding hidden structure in unlabled data is

• Supervised learning

• Unsupervised learning

• Reinforcement learning

• Machine learning

Task of inferring model from a labeled trained data is

• Unsupervised learning

• Reinforcement learning

• Supervised learning

• None

Data mining helps to determine what kind of people buy what kind of products. This belongs to which field?

• Cross Market Analysis

• Target Marketing

• Customer Profiling

• Customer Requirements

______ are used in retail sales to identify patterns that are frequently purchased together.

• Classification

• Regression

• Association

• Clustering

____ refers to the mapping or classification of a class with some predefined group or class.

• Data Discrimination

• Data Characterization

• Data Definition

• Data Visualization

A college professor wishes to reach a certain level of savings before her retirement. This is related to which data mining task?

• Clustering

• Regression

• Association

• Classification

A grocery store retailer is trying to decide whether to put bread on sale. This is related to which data mining task?

• Association

• Outlier analysis

• Summarization

• Prediction

Discriminating between spam and correct email is a

• Clustering

• Segmentatiin

• Classification

• Regression

Which of the following is not involving data mining

• Knowledge discovery

• Data archaeology

• Data exploration

• Data transformation