问Stata似乎不接受Stata 16中的正斜杠。

EN

webuse sem_sm2, clear

sem ///
(anomia67 pwless67 <- Alien67) /// measurement piece
(anomia71 pwless71 <- Alien71) /// measurement piece
(Alien67 <- SES) /// structural piece
(Alien71 <- Alien67 SES) /// structural piece
(SES -> educ occstat66), nolog //  measurement piece

. sem ///
invalid use of '/'
r(198);

. 
. (anomia67 pwless67 <- Alien67) /// measurement piece
( is not a valid command name
r(199);

. 
. (anomia71 pwless71 <- Alien71) /// measurement piece
( is not a valid command name
r(199);

. 
. (Alien67 <- SES) /// structural piece
( is not a valid command name
r(199);

. 
. (Alien71 <- Alien67 SES) /// structural piece
( is not a valid command name
r(199);

. 
. (SES -> educ occstat66), nolog //  measurement piece
( is not a valid command name
r(199);