Data Mining

Data Mining

1. Wealth of Information

   • World Wide Web
   • Understanding
   • Discovering Patterns
   • Stored Electronically
   • Applying to customers
     • Future interest in products
     • Buying trends

2. Structural Patterns

   • Decision Trees
     • All combinations of outcomes
     • Sets of rules
       • Classify decisions

3. Machine Learning

   • Gain Knowlege
   • Become aware
     • Of Information
   • To commit to memory
   • To be informed
   • Receive Instruction
   • Statistics
     • More Than Hypothesis Testing

4. Real Life Datasets

   • Weather Problem
     • Characterized by Features
       • Outlook
         • Sunny/overcast/rainy
       • Temperature
         • Hot/ Mild/ Cool
       • Humidity
         • High/Normal
       • Windy
         • True/ False
       • Ultimate Decision to Play
         • Yes/ No
   • Contact lenses
     • Age of Patient
     • Spectacle Prescription
     • Patient Astigmatic?
     • Rate of Tear Production
     • What lenses needed?
   • CPU Performance
   • Labor Negotions
     • Canadian Contract Negotions
       • 1987/1988
       • Decision Tree
   • Soybean Classification

5. Web Mining

   • HyperLinks
     • The more pages linked to website
       • Higher Success
   • Search Engines
     • Mine web
       • For Content
     • Advertisments
   • Social Networks
     • People Share Personal Information
   • Judgement Decisions
     • Applying for a Loan
   • Screening Images
     • Satellites
   • Load Forcasting
     • Estimate Future Demand
     • Load Model
       • Historical Data
   • Marketing and Sales
     • Changes in Banking Patterns
       • Credit Assesment
     • Celluar Devices
       • Market Basket Analysis
         • Groups of Transactions
           • Occuring Together