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 id year gen log_y=log...
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...
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...
Subject Re: st: factor variables may not contain negative values Date Fri, 16 Aug 2013 09:40:07 -0500Just to add to what others have said, if you type help fvvarlist it says "Categorical variables to which factor-variable operators are applied must contain nonnegative integers with values...
3 Stata: error factor variables and time-series operators not allowed 0 Stata error: missing string variable entry when actually does exist 0 Estpost returns error for factor variables 1 Problem when doing Anova on categorical variable in R 0 Strange error creating variable in Stata? 0 Fa...
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...
Maple Powerful math software that is easy to use • Maple for Academic • Maple for Students • Maple Learn • Maple Calculator App • Maple for Industry and Government • Maple Flow • Maple for Individuals Maple Add-Ons • E-Books & Study Guides for Students • Maple Tool...
2. In mathematics, to change an equation so that something (such as a variable) used multiple times is instead used once. A noun or pronoun can be used between "factor" and "out."OK, what do we need to factor out in order solve this equation?Has your tutor gone over how to factor...
Science and Engineering Connectivity Applications and Example Worksheets Math Apps Education Study Guides Reference System Manuals Configure Maple Toolboxes MapleSim MapleSim Toolboxes Home : Support : Online Help : Mathematics : Differential Equations : DEtools : Differential Operators : DFactorLCLM ...