wool is a time series of class "ts" and contains 309 observations.
wool类"ts"是一个时间序列和包含309意见。
Each week that the market is open the Australian Wool Corporation set a floor price which determines their policy on intervention and is therefore a reflection of the overall price of wool for the week in question. Actual prices paid can vary considerably about the floor price. The series here is the log of the ratio between the price for fine grade wool and the floor price, each market week between July 1976 and Jun 1984.
每个星期,市场是开放的澳大利亚羊毛公司设置底价,这就决定他们的政策干预,因此反映的问题一周的总体价格羊毛。实际支付的价格可以有很大的不同,地板的价格。这里是该系列的价格之间的比例为精致的高档羊毛和楼面价的日志,每个市场1976年7月至1984年和君周。
源----------Source----------
The data were obtained from
数据取自
Diggle, P.J. (1990) Time Series: A Biostatistical Introduction. Oxford University Press.
diggle,PJ(1990年)时间系列:生物统计简介。牛津大学出版社。