An introduction to data mining --Who should provide Cake for PGF?. Peng Yin MI 6 16/10/2011. Outline. Overview of data mining Background Data set and Tables What is data mining Decision tree Decision tree analysis Common Uses of Data Mining. Backgroud.
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For each pair of
we can see how
• Easier to see
“interesting” things if we
stretch out the Histogram bars
That is what we’ll look at now.
And the answer will turn out to be pgf cake with decision tree learning.
• Decision Trees
• Nearest Neighbour Classification
• Neural Networks
• Rule Induction
• K-means Clustering
Records for 1st year students
Records for 2nd
Records for 4th year students
Don’t Split a node if all matching records have the same output value
Don’t split a node if none of the attributes can create multiple non-empty children
Build Tree (DSi, Output)