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4.5
updatei have received a reply from CENGAGE UK that this particular book is a US based product thus support is not available for international buyers. they referred me to their support in the US and they were extremely helpful and send me all the WEBfiles for the book through the email; in addition they have cleared the confusion regarding the support for this book content.thank you for your kind support CENGAGE.i spent some decent time so far in the book, and i can tell it is a great in depth resource for students and entry level analyst, the book was very helpful for me in building two none linear models that i needed at specific business cases at my work.---Cengage brain. Com decided to Remove the book from its directory, it seems they do not support it anymore. Now I am stuck with advanced chapters without the data set necessary to practice the illustrated exercises and examples. The digital files for this book are highly important to progress with the chapters related to modeling and data mining, those data sets are difficult to replicate.Simply don't buy this book I have tried to contact cengage customer service with no luck so far.
