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Produktbeschreibungen
Kurzbeschreibung
This book focuses on the importance of clean, well-structured data as the first stop to successful data mining. It shows how data should be prepared prior to mining in order to maximize mining performance, and provides examples of how to apply a variety of data mining techniques in order to solve real world business problems.
Synopsis
"Data Preparation for Data Mining" addresses an issue unfortunately ignored by most authorities on data mining: data preparation. Thanks largely to its perceived difficulty, data preparation has traditionally taken a backseat to the more alluring question of how best to extract meaningful knowledge. But without adequate preparation of your data, the return on the resources invested in mining is certain to be disappointing. Dorian Pyle corrects this imbalance. A twenty-five-year veteran of what has become the data mining industry, Pyle shares his own successful data preparation methodology, offering both a conceptual overview for managers and complete technical details for IT professionals. Apply his techniques and watch your mining efforts pay off-in the form of improved performance, reduced distortion, and more valuable results. On the enclosed CD-ROM, you'll find a suite of programs as C source code and compiled into a command-line-driven toolkit. This code illustrates how the author's techniques can be applied to arrive at an automated preparation solution that works for you.Also included are demonstration versions of three commercial products that help with data preparation, along with sample data with which you can practice and experiment. It: offers in-depth coverage of an essential but largely ignored subject; goes far beyond theory, leading you-step by step-through the author's own data preparation techniques; provides practical illustrations of the author's methodology using realistic sample data sets; includes algorithms you can apply directly to your own project, along with instructions for understanding when automation is possible and when greater intervention is required; explains how to identify and correct data problems that may be present in your application; and, prepares miners, helping them head into preparation with a better understanding of data sets and their limitations.
In diesem Buch
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Einleitungssatz
"Data exploration starts with data, right?" Lesen Sie die erste Seite
Buchdeckel | Copyright | Inhaltsverzeichnis | Auszug | Stichwortverzeichnis | Rückseite
"Data exploration starts with data, right?" Lesen Sie die erste Seite
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Wortanzeiger
Ausgewählte Seiten ansehenWortanzeiger
Buchdeckel | Copyright | Inhaltsverzeichnis | Auszug | Stichwortverzeichnis | Rückseite
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Kundenrezensionen
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2 von 2 Kunden fanden die folgende Rezension hilfreich
Format:Taschenbuch
This book is simply great, it provides the best practices about the essence of data mining : data preparation
Any analyst knows that 80% of data mining time is spent in data preparation, nevertheless most authors focus on the remaining 20% : techniques and tools, where the value is more "visible"
The truth is that this value is unavaillable, unless you get data prepared, and that's the difficult job
Dorian book's allows you to understand this obscure process through a great analytical process. Strongly recommended
1 von 1 Kunden fanden die folgende Rezension hilfreich
Format:Taschenbuch
I've had the pleasure of listening to Dorian speak at seminars and even sharing a few brief words with him in person. When he mentioned to me last year that he was working on this book I had no idea how thorough and complete it would be. In fact, I remember wondering to myself how anyone could get their hands around this difficult, yet important aspect of data mining. I'm in awe! Anyone in the trenches will immediately understand the value of this book. Those just getting started in data mining will probably have no idea how much simpler their job just became. My only criticism of this book is that its title obscures that fact that there is a wealth of general data mining information contained within it - practical well beyond the data preparation phase. To understand why and how certain data preparation techniques work is to go a long way towards appreciating subtleties throughout the rest of the data mining process. Thanks Dorian!
2 von 3 Kunden fanden die folgende Rezension hilfreich
Format:Taschenbuch
This book covers the topic of data preparation very thoroughly.However, it includes source code that won't compile. The book comes up short in referencing the source code that is included on the CD to the various methods that are described in the book. If you don't care about the source code, the book is good. But, if you're a programmer as I am, you expect the source code to work!
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