ex0524(Sleuth2)
ex0524()所属R语言包:Sleuth2
Vegetarians and Zinc: An Observational Study
素食主义者和锌的观察研究
译者:生物统计家园网 机器人LoveR
描述----------Description----------
Previous studies suggest that vegetarians may not receive enough zinc in their diets and the zinc requirement is especially important during pregnancy. Twenty-three women were monitored: twelve vegetarians who were pregnant, six nonvegetarians who were pregnant, and five vegetarians who were not pregnant. Is there any evidence that pregnant vegetarians tend to have lower zinc levels than pregnant nonvegetarians?
以往的研究表明,素食者可能不会在他们的饮食中获得足够的锌和锌的需求在怀孕期间显得尤为重要。 24名妇女进行了监测:12素食主义者,谁是孕妇,6素食者谁是怀孕,和5个素食主义者没有怀孕。是否有任何证据显示,孕妇的素食主义者往往有较低的怀孕素食者锌的含量比?
用法----------Usage----------
ex0524
格式----------Format----------
A data frame with 23 observations on the following 2 variables.
一个数据框有23个观察以下2个变量。
Zinclevels of Zinc (mug/g) in the hair of women
Zinc在女人的头发锌(mu G / G)
Groupa factor with levels "PregNonVeg", "PregVeg" and "NonPregVeg"
Group的一个因素水平"PregNonVeg","PregVeg"和"NonPregVeg"
源----------Source----------
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.
拉姆齐,F.L.和Schafer,D.W. (2002年)。的统计的猎犬:A课程方法的数据分析(第二版),达克斯伯里。
参考文献----------References----------
King, J.C., Stein, T. and Doyle, M. (1981). Effect of Vegetarianism on the Zinc Status of Pregnant Women, American Journal of Clinical Nutrition 34(6): 1049–1055.
实例----------Examples----------
str(ex0524)
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
注1:为了方便大家学习,本文档为生物统计家园网机器人LoveR翻译而成,仅供个人R语言学习参考使用,生物统计家园保留版权。
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