Classifier platforms play a big position in computer studying and knowledge-based structures, and Ross Quinlan's paintings on ID3 and C4.5 is greatly stated to have made essentially the most major contributions to their improvement. This ebook is an entire advisor to the C4.5 process as carried out in C for the UNIX atmosphere. It features a complete consultant to the system's use , the resource code (about 8,800 lines), and implementation notes. The resource code and pattern datasets also are to be had for obtain (see below).
C4.5 begins with huge units of situations belonging to identified sessions. The situations, defined by means of any mix of nominal and numeric homes, are scrutinized for styles that permit the sessions to be reliably discriminated. those styles are then expressed as types, within the type of selection timber or units of if-then principles, that may be used to categorise new situations, with emphasis on making the versions comprehensible in addition to actual. The approach has been utilized effectively to projects regarding tens of millions of circumstances defined via 1000s of homes. The e-book starts off from uncomplicated middle studying tools and indicates how they are often elaborated and prolonged to house standard difficulties resembling lacking information and over hitting. benefits and drawbacks of the C4.5 method are mentioned and illustrated with a number of case studies.
This ebook and software program will be of curiosity to builders of classification-based clever platforms and to scholars in desktop studying and specialist structures courses.
Read or Download C4.5: Programs for Machine Learning (Morgan Kaufmann Series in Machine Learning) PDF
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