The urine data frame has 79 rows and 7 columns.
urine数据框有79行和第7列。
79 urine specimens were analyzed in an effort to determine if certain physical characteristics of the urine might be related to the formation of calcium oxalate crystals.
79尿液标本进行努力,以确定是否尿液中的某些物理特性可能与草酸钙晶体的形成。
用法----------Usage----------
urine
格式----------Format----------
This data frame contains the following columns:
这个数据框包含下列资料:
Indicator of the presence of calcium oxalate crystals.
草酸钙结晶存在的指标。
The specific gravity of the urine.
尿的比重。
The pH reading of the urine.
尿的pH读数。
The osmolarity of the urine. Osmolarity is proportional to the concentration of molecules in solution.
尿渗透压。渗透压是在溶液中的分子浓度成正比。
The conductivity of the urine. Conductivity is proportional to the concentration of charged ions in solution.
尿液的电导率。电导率是溶液中的带电离子的浓度成正比。
The urea concentration in millimoles per litre.
尿素浓度在每升毫。
The calcium concentration in millimoles per litre.
在毫摩尔每升的钙离子浓度。
源----------Source----------
The data were obtained from
数据取自
Andrews, D.F. and Herzberg, A.M. (1985) Data: A Collection of Problems from Many Fields for the Student and Research Worker. Springer-Verlag.
安德鲁斯D.F.和赫茨伯格,上午(1985)资料:收集来自许多领域的学生和研究工作者的问题。施普林格出版社。
参考文献----------References----------
Bootstrap Methods and Their Application. Cambridge University Press.
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。