Data Mining

What is Data Mining?

• The process of analyzing data to extract information not offered by the raw data alone

• The process of extracting information from small datasets
• The process of digging for physical data in the ground
• The process of creating new data

Which is not the 3 elements of Data Mining?

• Data

• Discovery

• Analysis

• Deployment

Data Profiling is?

• Creating a new dataset from scratch
• The process of collecting statistics and info about data in an existing source.

• Deleting all the data in a dataset
• Ignoring the content and structure of a dataset

Numeric predictions based off historical data is what technique?

• Estimation Analysis

• Data replication

• Cluster Analysis

• Classification Analysis 

Which is not an example of a Forecasting Model?

• Web visits per hour

• • Sales per month

• Customer service calls per day

• Combo of products to maximize earnings

Which comes first on a decision tree?

• Root Node

• Internal Node

• Leaf Node

Which group are we?

• Group 1

• Group 3

• Group 4

• Group 2