The author makes a stabilized and zero mean treatment of the statistic data on the per capita annual net income of henan farmers between 1978 and 2005 , and using the property of the autocorrelation function and partial autocorrelation function of time sequence , establishes the model appropriate for the data 摘要筆者根據(jù)河南省1978年2005年的農(nóng)民人均純收入統(tǒng)計數(shù)據(jù),將這些數(shù)據(jù)進行平穩(wěn)化、零均值化處理,并利用時間序列的自相關函數(shù),偏自相關函數(shù)的性質(zhì),確認數(shù)據(jù)所適合的模型。