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carData::DavisThin()

help("DavisThin")

Davis's Data on Drive for Thinness

Description

The DavisThin data frame has 191 rows and 7 columns. This is part of a larger dataset for a study of eating disorders. The seven variables in the data frame comprise a "drive for thinness" scale, to be formed by summing the items.

Usage

DavisThin

Format

This data frame contains the following columns:

DT1

a numeric vector

DT2

a numeric vector

DT3

a numeric vector

DT4

a numeric vector

DT5

a numeric vector

DT6

a numeric vector

DT7

a numeric vector

Source

Davis, C., G. Claridge, and D. Cerullo (1997) Personality factors predisposing to weight preoccupation: A continuum approach to the association between eating disorders and personality disorders. Journal of Psychiatric Research 31, 467–480. [personal communication from the authors.]

References

Fox, J. and Weisberg, S. (2019) An R Companion to Applied Regression, Third Edition, Sage.

통계 > 차원 분석 > 척도 신뢰성...

Statistics > Dimensional analysis > Scale reliability...

carData 패키지에서 제공하는 DavisThin 데이터셋을 활성화시키자. DavisThin 데이터셋에는 DT1, DT2, DT3, ..., DT7 이라는 7개의 수치형 변수가 있다. 이 변수들은 "drive for thinness" 척도를 구성한다.

<척도 신뢰성> 창에서 <변수 (세개 이상 선택)> 기능에서 DT1부터 DT7까지 일곱개의 변수를 선택하고,  예(OK) 버튼을 누른다.

reliability(cov(DavisThin[,c("DT1","DT2","DT3","DT4","DT5","DT6","DT7")], 
	use="complete.obs"))