在Stata中,当你遇到错误“factor-variable and time-series operators not allowed”时,这通常意味着你在某些命令中使用了不被允许的变量类型或操作符。下面是对此问题的详细解答: 1. 解释factor-variable和time-series operators的含义 Factor Variables(因子变量):在Stata中,因子变量是一种特殊的变量类型,用于表示分...
问Stata:不允许错误因子变量和时间序列运算符ENNow, we are familiar with statistical modelling on time...
王几行xing:【Stata-GMM】如何快速掌握动态矩估计方法(gmm/xtabond/xtdpdsys)? factor variables not allowed 方法2:OLS 文献来源 (1)参考Richardson(2006),Wu等(2022)使用以下投资模型来估计预期的最优投资水平: \displaystyle Invest_{i,t} = \beta_0 + \beta_1 Growth_{i,t-1} + \beta_2 Lev_{i,t...
您好,请问输入上面命令之后显示factor-variable operators not allowed on latent variable YEAR是怎么回事呢 2023-06-23 回复喜欢 十里香锅 请问,有调节的中介最后的系数怎么看呀?_bs_1: r(cielw) _bs_2: r(ciemn) _bs_3: r(ciehi),完全不了解这三个系数的意思,没有明确说明那个是总效应,那...
Common error messages that may be displayed when a command does not allow factor variables or understand the new omitted operator include the following: factor variables not allowed r(101); interactions not allowed r(101); varname#0b: operator invalid r(198); factor variables and time-series ...
The level indicator variables are not created in your dataset, saving lots of space. Factor variables are integrated deeply into Stata’s processing of variable lists, providing a consistent way of interacting with both estimation and postestimation commands....
Err. bV program used to implement predict predictions allowed by margins predictions disallowed by margins factor variables fvset as asbalanced factor variables fvset as asobserved xtreg — Fixed-, between-, and random-effects, and population-averaged linear models 459 Matrices e(b) e(V) coef?
Factor and time series variables are not allowed. Differences fromlevelsof It can take avarlistand not just avarname; in that case it prints all unique combinations of the varlist. The user can specify column and row separators. It can deduplicate an arbitrary number of levels and store the...
Stata软件的参考手册列表说明书 Title Description This entry describes the organization of the reference manuals.Remarks The complete list of reference manuals is as follows:[R]Stata Base Reference Manual Volume1,A–H Volume2,I–P Volume3,Q–Z [D]Stata Data-Management Reference Manual [G]Stata ...
rep78 headroom trunk length turn displacement gear_ratio foreign, name(这个图我用来演示 aaplot 命令)) factor-variable and time-series operators not allowed . **变量过多 . aaplot price mpg rep78 headroom trunk length turn displacement gear_ratio foreign too many variables specified . **很遗憾,...