search for: ab1992

hello i am a new user of R I wonna run a double exponential function with nonlinear quantile regresion model the double exponential function is Y=( ab1978*ab1979*ab1980*ab1981*ab1982*ab1983*ab1984*ab1985*ab1986*ab1987*ab1988*ab1989* ab1990* ab1991*ab1992*ab1993*ab1994* 6670*ab7175*ab7680*ab8185*ab8690*ab9193*abgg*abgf*abgu*abgj*abgd*abfg*abff*abfu*abfj*abfd*abug*abuf*abuj*abud* abjg*abjf*abju*abjj*abjd*abdg*abdf*abdu*abdj*abdd*EXP(-C1*cbgg*cbgf*cbgu*cbgj*cbgd*cbfg*cbff*cbfu*cbfj*cbfd*cbug*cbuf*cbuj*cbud*cbjg*cbjf*cbju*cbjj*cbjd* cbdg*cbdf...