Data Mining: Practical Machine Learning Tools and Techniques, Second Edition

These meanings have some shortcomings when it comes to talking about com- puters. For the first two, it is virtually impossible ...

computers. To decide whether something has actually learned, you need to see whether it intended to or whether there was any pur ...

standard datasets that we will come back to repeatedly. Different datasets tend to expose new issues and challenges, and it is i ...

If outlook =sunny and humidity =high then play =no If outlook =rainy and windy =true then play =no If outlook =overcast then pla ...

The rules we have seen so far are classification rules:they predict the classifi- cation of the example in terms of whether to p ...

Contact lenses: An idealized problem The contact lens data introduced earlier tells you the kind of contact lens to pre- scribe, ...

may be associated with the rules themselves to indicate that some are more important, or more reliable, than others. You might b ...

that dictates the contact lens recommendation for that case. The question of what is the most natural and easily understood form ...

If sepal width < 2.55 and petal length <4.95 and petal width < 1.55 then Iris versicolor If petal length ≥2.45 and peta ...

PRP =-55.9 +0.0489 MYCT +0.0153 MMIN +0.0056 MMAX +0.6410 CACH -0.2700 CHMIN +1.480 CHMAX. (The abbreviated variable names are g ...

Figure 1.3(b) is a more complex decision tree that represents the same dataset. In fact, this is a more accurate representation ...

1.2 SIMPLE EXAMPLES: THE WEATHER PROBLEM AND OTHERS 19 wage increase first yearbad ≤ 2.5 statutory holidays > 2.5 good > 1 ...

680 examples, each representing a diseased plant. Plants were measured on 35 attributes, each one having a small set of possible ...

1.2 SIMPLE EXAMPLES: THE WEATHER PROBLEM AND OTHERS 21 Table 1.7 The soybean data. Number Attribute of values Sample value Envir ...

the learning algorithm find rules that outperformed those of the expert collab- orator, but the same expert was so impressed tha ...

chronically volatile condition. A suitable compromise must be reached between the viewpoint of a company accountant, who dislike ...

sharpness and jaggedness of the boundaries, proximity to other regions, and information about the background in the vicinity of ...

locates the previous day most similar to the current circumstances and uses the historical information from that day as a predic ...

whether or not a fault existed, but to diagnose the kind of fault, given that one was there. Thus there was no need to include f ...

pared to pay exorbitant interest rates to see them through the holiday season. In another domain, cellular phone companies fight ...