arima computer 中文意思是什麼
arima computer
解釋
華宇電腦-
Based on sample of the index from april 3, 1991 to may 31, 2001, arima models have been built with tsp computer software guided by route of " from general to specific ". the models built have better fit goodness and one point forward prediction is highly precise. but ultra - sample prediction by c + + program shows prediction precision reduces fast as the length of prediction grows, long term prediction of the index is impossible
建模表明利用tsp統計軟體結合從「一般到特殊」的建模方法,所建的模型對已有數據的擬合較好,向前一步單點預測準確性較高,但利用c語言程序進行進一步分析表明時間序列分析模型對深圳成分指數的長期預測效果明顯降低。
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