Ⅰ. Introduction
American Wal-Mart is the number one retailer in the world. They are well-known for their advanced MIS. By developing and using their enormous DW, they could be the world's best corporation. Wal-mart's annual revenue is more than twice as much as Korea Republic's annual budget. They have 3,000 shopping centers in America. Their revenue in 2005 was 310billion dollars. Even there
usage mining의 구성
1.전처리단계(preprocessing)
2.패턴 탐색단계( pattern discovery)
3.패턴 분석단계(pattern analysis)
데이터를 수집하고, 수집된 web data를 적절한 형태로 변환한후 data에 일반적인 mining 기술을 적용 시킨다.
2부 web usage mining의 기술
2.1. web data( log data 중심)
#log: 사용자가 웹 사
discourse. Rational choice theory can only understands language use, while ethnomethodology can only thematize and alter the way in communication takes place. Second statement of the pattern requires as complete an analysis as possible of the cognitive presuppositions for competent action of various types.
Here I want to show how his standard employs each of the basic statements of the pattern.
Tolerance limit and VIF in Collinearity statistics are indexes that judge multicollinearity of factor variables. Collinearity means relationship between two independent variables. For example, if coefficients correlation of two factor variables is 1, these variables have perfect Collinearity. And if coefficients correlation is 0, they have Collinearity not at all. Especially, relationship among 3
Abstract
Due to the rapid development of internet society, Korean society in economic, cultural, social aspects is influenced by internet, instead of former mainstream media. The internet utilization on politics, however, was trivial. Despite its underdevelopment of internet usage on politics, with world trends of expansion of internet use, South Korea’s internet society on politics started t