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.
50五英尺见方象限的网格,在每个象限中香脂冷杉幼苗的数量进行计数。该网格包括的10的象限在每行中的5行。
用法----------Usage----------
data(fir)
格式----------Format----------
A data frame with 50 observations on the following 3 variables.
一种数据框与50上的以下3个变量的观测。
count The number of seedlings in the quadrant
在象限数的苗数
row The row number of the quadrant
行的行号的象限
col The quadrant number within the row
COL象限内的行
源----------Source----------
Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and
戴维森,A.C.,欣克利,D.V. (1997年)引导的方法和