"factor-variable operators not allowed" 错误通常出现在使用 Stata 或其他统计软件时,尤其是在尝试对因子变量(factor variables)进行某些不被支持的操作时。因子变量通常用于表示分类数据,如性别(男/女)、地区(东/中/西)或年份等。错误消息表明,当前使用的命令或函数不支持直接对因子变量进行特定的操作,如直接使用 ...
What is the range of categorical variables for factor-variable operators? Non-integer values are not allowed in factor variables for Stata ANOVA Solution: The documented limits can be found inhelp fvvarlist. The factor-variable operators can only be applied to categorical variables that have nonne...
Dear Statausers, When I run this command: tsset dtt probit y l.x1 l.x2 mfx I get the following error: factor variables and time-series operators not allowed r(101); What could be the reason for no mfx for lagged variables in time-series? Or am I missing something? Any comments woul...
1.Sobel检验中，标准误、Z值和P值都没有（如下图），请问是什么原因？2.在另一个模型中，我想用的自变量是滞后一期值L.X，但是当我输入sgmediation Y, mv(Z) iv( L.X)时候，输出结果提示：factor-variable and time-series operators not allowed(error in option iv( ))，这种情况怎么办呢？1.几个小...
可这样依然会提示“factor-variable and time-series operators not allowed”。 你可能还会想,咦,是括号不对吧,再加上括号... 这样继续肝下去身体还要不要啦?! 正确的方法是,通过先生成对应的log运算变量,再运行命令。 clear use "/Users/mac/Desktop/数据/计算/基础指标完成" tsset...
factor-variable and time-series operators not allow yxzdh 三年级 6 没太用过半参估计的,但是似乎xt这个是面板数据的?stata给出的例子里,都是面板数据,需要对时间进行区分,使用的格式是: xi: xtsemipar y x i.time, nonpar(z) 你可以参考一下? 溪日烟尘 托儿所 1 请问楼主这种面板数据的半参数...
You would want to give an error message if factor variables are not allowed in the dependent variable. Instead of creating your own error message, you can use the Stata’s default error message. Consider the following: program cmd1, rclass syntax varlist(fv ts) [if] [in] , [*] local...
alsovariables.exogfaretheexogenous variablesthatenterintotheequationsforthefactors. optionsDescription Model constraints(constraints)applyspecifiedlinearconstraints SE/Robust vce(vcetype)vcetypemaybeoimorrobust Reporting level(#)setconfidencelevel;defaultislevel(95) nocnsreportdonotdisplayconstraints display...
use https://www.stata-press.com/data/r18/auto2 . fvrevar i.rep78 mpg turn creates five temporary variables corresponding to the levels of rep78. No new variables are created for variables mpg and turn because they do not contain factor-variable or time-series operators. The resulting ...
depvars, exog d, and exog f may contain time-series operators; see [U] 11.4.4 Time-series varlists. by, collect, fp, rolling, and statsby are allowed; see [U] 11.1.10 Prefix commands. coeflegend does not appear in the dialog box. See [U] 20 Estimation and postestimation commands...