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==ANALYSIS TSMODEL AR2. MODEL (1-PH*B-CH*B**2) Z1=C1+NOISE. SIMULATE. C1=1.0 PH=0.5 CH=0.8 SIMU MODEL AR2. NOISE IS N(0,1.0).NOB 100.SEED 1234. PRINT Z1. ACF Z1. PACF Z1. TSPLOT Z1. RETURN END -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 123.194.195.162