您好,我按照上面顺序来,安装了xtcsd,但是xtcsd, pes 后出现unknown function *sqrt() r(133); xtcsd,fri后出现no observations。要说我数据前面不同就是前面xtreg ctem noninp csavings i.year,fe,把年份换成了i.year. 2021-07-21 回复喜欢 RepeatedValue 我也是一样的情况!请问是把fe去掉吗? 202...
frame=cap.read() if(ret==False): break hsv=cv.cvtColor(frame,cv.COLOR_BGR2HSV) lower...
Accordingly, when Y⁎ > 0, Y is observed and otherwise Y is 0. f(Ci)is a function of the municipality's location. The functional form of f(Ci) is unknown and thus I approximate it by two forms of polynomial to control smooth functions of locations. Random effectαiand idiosyncratic ...
foreach vname in y1 y2 y3 { (确定y变量组vname) reg `vname' x1 x2 x3 (将y变量组中的各个变量与诸x变量进行回归分析,注意vname的标点符号) } 上式等价于: mvreg y1 y2 y3 = x1 x2 x3 reg3命令: (1)简单用法: reg3 (y1 = x1 x2 x3) (y2 = x1 x3 x4) (y3 = x1 x2 x5) ...
. . foreach x of local 0 { logic stated in terms of 'x' } end See [P] foreach and [P] forvalues. You can combine args and incrementing through an unknown number of positional arguments. Say that you were writing a subroutine that was to receive varname, the name of some variable...
st: using foreach to add value labels, Jacob McDermott (Thu Jul 25 10:49:01 2013) Re: st: using foreach to add value labels, Scott Merryman (Thu Jul 25 10:56:01 2013) Re: st: using foreach to add value labels, Jacob McDermott (Thu Jul 25 11:01:01 2013) st...
Re: st: MLE for each day, Beatrice Crozza (Thu Oct 21 10:40:21 2010) RE: st: MLE for each day, Nick Cox (Thu Oct 21 10:50:03 2010) st: Delta of two time variables (%tc) in minutes, Kaspar Dardas (Thu Oct 21 04:20:04 2010) st: RE: Delta of two time variables ...
Re: st: Renaming variables using foreach, Nick Cox (Tue Jun 26 17:40:03 2012) Re: st: Renaming variables using foreach, Suryadipta Roy (Tue Jun 26 17:54:45 2012) Re: st: Renaming variables using foreach, Nick Cox (Tue Jun 26 16:51:26 2012) st...
. . foreach x of local 0 { logic stated in terms of 'x' } end See [P] foreach and [P] forvalues. You can combine args and incrementing through an unknown number of positional arguments. Say that you were writing a subroutine that was to receive varname, the name of some variable...
. . foreach x of local 0 { logic stated in terms of 'x' } end See [P] foreach and [P] forvalues. You can combine args and incrementing through an unknown number of positional arguments. Say that you were writing a subroutine that was to receive varname, the name of some variable...