prtsys — prints system estimation results
prtsys(res,out)
res = a tlist provided by a sur, twosls or threesls function
out = the file where the results are printed
(optional; default: %io(2), i.e the screen)
nothing, just print the results
prtsys(result,%io(2)) Prints on screen the tlist result coming from a sur, twosls or threesls regression.