Ⅰ. 서 론
전자자료교환 시스템은 기업 간 문서 유통을 일정한 표준서식과 코드 체계에 따라 컴퓨터들 사이에서 상호 교환하는 시스템이다. 전자자료교환 시스템을 기반으로 유통시장에서 문서의 유통 메커니즘을 무역, 금용 그리고 의료 등의 분야에 제공하면서, 기업 비즈니스의 필수 불가결한
Various BEER!!!
The Objective of our analysis is
-to identify groups of Beers
-to analyze results
-to make an application for
marketing
2. DataSet Information
Cass fresh
Casslight
Max
Dryfinishd
Hite
Budweiser
Heineken
Hoegaarden
Asahisuperdry
Tsingtao
Sanmiguel
Mudshake
KGB
Crusier Obgoldenlarger
Guiness
Miller
Cafri
Sapporo
Kirinichibang
Hooc
data descriptive output in the previous page, we can calculate the t-statistic.
t = ((.79-1.23))/√(2.14⁄61+1.8⁄22) = -1.294 d.f = 61+22-2=81
T-statistic from calculating and the SPSS output (-1.294, -1.270) is almost same. (Slight differences between the values we computed and the values on the table might have been caused from setting different decimal points.)
Logistic regression
A. Extension of multiple regression but the dv is categorical
B. Value being predicted represents a probability, and it varies between 0 and 1
C. Possible to use categorical ivs (dummy coded, but won’t here)
D. Key concept: logit
1. natural logarithm (ln) of the odds
2.
3. Therefore, prob success + ? + + + +
E. SPSS (example with the Helping3.sav dataset)
1.