Download Applications of Data Mining in E-Business and Finance by Z.-H. Zhou PDF

By Z.-H. Zhou

The appliance of knowledge Mining (DM) applied sciences has proven an explosive development in progressively more diverse parts of industrial, executive and technology. of an important company parts are finance, particularly in banks and insurance firms, and e-business, resembling internet portals, e-commerce and advert administration services.In spite of the shut courting among study and perform in facts Mining, it isn't effortless to discover info on probably the most vital concerns eager about actual global program of DM know-how, from company and knowledge realizing to overview and deployment. Papers frequently describe learn that was once built with no making an allowance for constraints imposed by means of the motivating program. whilst those matters are taken into consideration, they're often no longer mentioned intimately as the paper needs to concentrate on the tactic. consequently wisdom that may be precious should you want to practice a similar strategy on a comparable challenge isn't shared. The papers during this booklet deal with a few of these matters. This ebook is of curiosity not just to info Mining researchers and practitioners, but in addition to scholars who desire to have an concept of the sensible matters excited about information Mining.

IOS Press is a world technological know-how, technical and scientific writer of top of the range books for lecturers, scientists, and pros in all fields.

many of the parts we submit in:

-Biomedicine
-Oncology
-Artificial intelligence
-Databases and data systems
-Maritime engineering
-Nanotechnology
-Geoengineering
-All features of physics
-E-governance
-E-commerce
-The wisdom economy
-Urban studies
-Arms control
-Understanding and responding to terrorism
-Medical informatics
-Computer Sciences

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Traditionally retail banks have supported the credit decision-making on scorecards developed for predicting default in a six-month period or more. However, the underlying pay/no pay cycles justify a decision in a 30-day period. In this work several classification models are built on this assumption. We start by assessing binary scorecards, assigning credit applicants to good or bad risk classes according to their record of defaulting. The detection of a critical region between good and bad risk classes, together with the opportunity of manually classifying some of the credit applicants, led us to develop a tripartite scorecard, with a third output class, the review class, in-between the good and bad classes.

It should be noted that, the accuracy difference between cascaded model and logistic regression is not very big but also is not insignificant as well. Therefore, the cascaded SVM-LR model can be good option for a model user since it brings a better prediction ability. Table 3. 7 3. Probability of Default Modeling with SVM In this section, we propose a methodology to estimate probability of default values by using SVM model. Here, instead of classifying the borrowers as "good" and "bad", the aim is to assign probability values ranging from 0 to 1 according to the following logic: If a borrower is "good", he/she should be assigned a low probability of default and if a borrower is "bad", he/she should be assigned a high probability of default.

Then, we proposed a cascaded model based on SVM in order to obtain a better credit classification accuracy. We observed a weak classification accuracy of SVM near the separating hyperplane (crtitical region) and strong classification ability in the non-critical region. Originating from this idea, we proposed a cascaded model based on SVM and achieved to obtain a better classification accuracy than the standalone SVM and logistic regression models. In the final section, we proposed a methodology for SVM to estimate the probability of default (PD) values for borrowers.

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