The fir data frame has 50 rows and 3 columns.
fir数据框有50行,3列。
The number of balsam-fir seedlings in each quadrant of a grid of 50 five foot square quadrants were counted. The grid consisted of 5 rows of 10 quadrants in each row.
50 5个一尺见方象限网格在每个象限的香脂冷杉幼苗数量进行计数。网格组成的5行,每行10象限。
用法----------Usage----------
fir
格式----------Format----------
This data frame contains the following columns:
这个数据框包含下列资料:
The number of seedlings in the quadrant.
在象限苗。
The row number of the quadrant.
象限的行数。
The quadrant number within the row.
行内象限。
源----------Source----------
Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.
戴维森,A.C.和欣克利,D.V. (1997年)的Bootstrap方法及其应用。剑桥大学出版社。