veneer(WWGbook)
veneer()所属R语言包:WWGbook
veneer data in Chapter 7
单板在第7章中的数据
译者:生物统计家园网 机器人LoveR
描述----------Description----------
The Dental Veneer data were collected by researchers at the University of Michigan Dental School, in a study investigating the impact of veneer placement on subsequent gingival (gum) health among adult patients (Ocampo, 2005).
牙贴面数据收集大学,密歇根牙科学院的研究人员在一项研究中调查的影响单板放置在随后的牙龈(牙龈)健康成年患者(奥坎波,2005)。
用法----------Usage----------
data(veneer)
格式----------Format----------
A data frame with 110 observations on the following 7 variables.
110以下7个变量的观察与数据框。
patient : Patient ID variable (Level 3 ID)
病人:病人ID变量(等级3 ID)
tooth : Tooth number (Level 2 ID)
牙齿:牙齿数(第2级ID)
age : Age of patient when veneer was placed, constant for all observations on the same patient
年龄:年龄的病人被放置单板时,对所有观测恒定在同一病人
base.gcf : Baseline measure of Gingival Crevicular Fluid for the tooth, constant for all observations on the same tooth
base.gcf:基线测量的牙齿,牙龈沟液常数为同一颗牙齿上的所有观测
cda : Average contour difference in the tooth after veneer placement, constant for all observations on the same tooth
CDA:平均轮廓差异单板放置在牙齿后,对所有观测恒定在同一个齿
time : Time points of longitudinal measures (3 = Three Months, 6 = Six Months)
时间:时间点的纵向措施(3 = 3个月,6 =六个月)
gcf : Gingival Crevicular Fluid adjacent to the tooth, collected at each time point (Dependent Variable)
GCF:龈沟液相邻的牙齿,收集各时间点(因变量)
参考文献----------References----------
Gingival Inflammation, University of Michigan School of Dentistry, 2005
Chapman Hall / CRC Press, first edition, 2006.
实例----------Examples----------
str(veneer)
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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