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Marketing Science

The most sucsessful effect of Marketing Science is made by Decision Tree . Decision Tree analysis "What kinds of people buy the product". And it tells us a target to sell.

Marketing changed from mass-marketing to segmentation-marketing. Mass-marketing is the way to sell the same production to all people. Segmentation-marketing is the way to sell the people who wants to get the item. The new way prefered to decision tree.

Second suceess is was made by Factor Analysis . It put human minds on scatter plots.

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