运行时出现size: factor variables may not contain noninteger values

Stata handles factor (categorical) variables elegantly.
You can prefix a variable with i. to specify indicators for each level (category) of the variable.
You can put a # between two variables to create an interaction–indicators for each combination of the categories of the variables. You can put ## instead to specify a full factorial of the variables—main effects for each variable and an interaction.
If you want to interact a continuous variable with a factor variable, just prefix the continuous variable with c..
You can specify up to eight-way interactions.

将连续变量前加c.

frontierman 发表于 2014-8-15 23:22
STATA运行时出现factor variables may not contain noninteger values ，请问楼上的几位，这一问题是如何解 ...

将非整数型变量前加上c.，即c.变量名

xtlsdvc lnstock  lnwgi  lngdp risk1 open year,initial(ah)
Bias correction initialized by Anderson and Hsiao estimator
timevar (year) may not contain missing values when option full is specified
r(451);
我是运行xtlsdvc 报错，麻烦各位指教，多谢

这个是有数值是小数，大概是不符合类别变量的定义吧。

奇迹努力 发表于 2015-6-23 20:51
大神呀，连续变量加c.
虚拟变量加i.

多谢大神

njallby 发表于 2015-4-7 13:13
前面加个小c

谢谢楼主

非常感谢！

怎么加啊？

同问怎么加