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
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
1. Introduction
(1) Introduction to the topic
On 14-15 April 2012, the 1st Trilateral Agricultural Ministers’ Meeting was hold in Jeju Island, Korea. Three countries discussed a lot of issues such as food security, infectious diseases of animals and plants, and economical cooperation for each other etc.
<15일 제주 롯데호텔에서 열린 제1차 한·중·일 농업장관회의에
Other indicators of Social Class
○ area of residence, possessions, family background, and social interactions
○ inherited status
- Status that derives from parent at birth.
○ earned status
- Status acquired later in life through achievements.
Social Class Indexes
○ Computerized status inde
Income Versus Social Class
○ More money - higher social standing
○ Income is not strongly related to social class for several reasons.
1.income levels often overlapsocial classes.
2.income increases greatly with age, but older workers do not automatically achieve
higher social staus.
3.in many countries an increasing numberof dual career familie