[作图问题求助] unrecognized command: xline，是什么地方出了错？ [推广有奖]

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zhangtao 发表于 2010-3-16 12:40:21 |只看作者 |坛友微信交流群|倒序 |AI写论文

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unrecognized command:  xline
r(199);
是什么地方出了错？
unrecognized command:  ( invalid command name
r(199);是什么意思？

Notes:
   1.  (/m# option or -set memory-) 10.00 MB allocated to data
   2.  (/v# option or -set maxvar-) 5000 maximum variables
. use "F:\0计量经济学前沿\1\新建文件夹 (9)\2006_1229_data.dta", clear
. use "U:\DATA\AER_files\2006_1229_data.dta", clear
file U:\DATA\AER_files\2006_1229_data.dta not found
r(601);
.
. keep if time~=.
(1187 observations deleted)
.
. drop if time<-10 | time>10
(59 observations deleted)
.
. drop if fullres_ut==0
(55 observations deleted)
.
. bysort year stcode: keep if [_n]==1
(455 observations deleted)
.
. keep year ut fullres_ut stcode switchid preswitch nfirm pucrev time
.
.
.
. sort time stcode
.
. by time: egen nfirmtotal = total(nfirm)
.
. by time: egen pucrevtotal = total(pucrev)
.
. bysort time: keep if [_n]==1
(136 observations deleted)
.
. keep time nfirmtotal pucrevtotal
.
.
.
. gen percrev= (pucrevtotal/nfirmtotal)*100
.
. gen after=(time>-1)
.
. gen percrev1=percrev if after==0
(11 missing values generated)
.
. label var percrev1 "Before"
.
. gen percrev2=percrev if after==1
(10 missing values generated)
.
. label var percrev2 "After"
.
.
.
. twoway (scatter percrev1 time, msize(small) mcolor(navy)) ///
/ / / is not a twoway plot type
r(198);
.
. (lfit percrev1 time, atobs lcolor(navy)) ///
unrecognized command:  ( invalid command name
r(199);
.
. (scatter percrev2 time, msymbol(x) msize(medsmall) mcolor(dkorange)) ///
unrecognized command:  ( invalid command name
r(199);
.
. (lfit percrev2 time, atobs mcolor(dkorange) lpattern(longdash)), ytitle(Percentage of
>  Sample Firms Reviewed) ///
unrecognized command:  ( invalid command name
r(199);
.
. xtitle(Time (years)) ylabel(0(20)100) ymlabel(10(20)90, nolabels) ///
unrecognized command:  xtitle
r(199);
.
. xlabel(-10(2)10) xmlabel(-9(2)9, nolabels) ///
unrecognized command:  xlabel
r(199);
.
. name(befaft, replace) scale(.8) ///
unrecognized command:  name
r(199);
.
. xline(0, lcolor(black) lwidth(thin))
unrecognized command:  xline
r(199);
.
.
.
. * Comparison of Slopes and Intercepts
.
.
.
. gen time_after = time*after
.
. regress percrev time time_after after
   Source |    SS    df    MS             Number of obs =    21
-------------+------------------------------          F(  3, 17) = 19.61
   Model |  3629.04367    3  1209.68122          Prob > F    =  0.0000
Residual |  1048.83466 17  61.6961565          R-squared    =  0.7758
-------------+------------------------------          Adj R-squared =  0.7362
   Total |  4677.87833 20  233.893916          Root MSE    =  7.8547
------------------------------------------------------------------------------
   percrev |    Coef. Std. Err.    t P>|t|    [95% Conf. Interval]
-------------+----------------------------------------------------------------
      time |  -.4952468 .8647729 -0.57 0.574 -2.319758 1.329265
  time_after |  -.3507764 1.143987 -0.31 0.763 -2.764378 2.062825
   after |  -19.00606 6.958602 -2.73 0.014 -33.68743 -4.324698
   _cons | 50.11157 5.365775    9.34 0.000    38.79077 61.43236
------------------------------------------------------------------------------
.