EVIEWS程序求助：
workfile uroot a 1954 2011
series ex
ex. fill 16187249,18834807,17991189,19730257,20422962,20958168,21390606,21031141,21686093,19992995,19161820,15478450,18815779,20861695,21214314,21278331,23599931,24063579,24683579,23646580,20356594,19165913,17290715,11778534,16453256,17178053,16706684,17737633,20264936,18817243,21155298,21303891,20006699,22211868,18725210,16395608,19330589,20467505,24107278,25509833,27350019,26734577,26978062,25112019,26455786,26208370,25214607,15792307,25100976,25578237,25838486,28000453,29959627,30089378,30114443,28595281,30944818,
29336122
series lnex=log(ex)
show lnex. line
series recv10=-4.14
series recur
equation eqrecursive
for !i=0 to 29
   smpl 1954 1983+!i   
   eqrecursive. ls d(lnex) lnex(-1) c @trend
    recur(!i+15)=eqrecursive @tstats(1)
next
smpl @all
graph graph1.line recur recv10
show graph1