论文信息 - Update to changing numeric variables to string - 字舞流文

Update to changing numeric variables to string

Nicholas J. Cox | Jeremy B. Wernow

[1] Richard T. Baillie,et al. Long memory processes and fractional integration in econometrics , 1996 .

[2] Fallaw Sowell. Maximum likelihood estimation of stationary univariate fractionally integrated time series models , 1992 .