What is the purpose of seasonally adjusting the values in a time series?
A、To obtain an instant estimate of the degree of seasonal variation
B、To obtain an instant estimate of the trend
C、To ensure that seasonal components total zero
D、To take the first step in a time series analysis of the data
A、To obtain an instant estimate of the degree of seasonal variation
B、To obtain an instant estimate of the trend
C、To ensure that seasonal components total zero
D、To take the first step in a time series analysis of the data
【参考答案及解析】
Seasonally adjusting the values in a time series removes the seasonal element from the data thereby giving an instant estimate of the trend.
Seasonally adjusting the values in a time series removes the seasonal element from the data thereby giving an instant estimate of the trend.