1029812370 发表于 2015-6-30 18:33 
请问因变量如果是很多个离散数值，比如我的是专利的申请数量，这样的话需要用probit或者logit吗？可不可以 ...
专利申请数量
你看计量经济学书上专门提到是用
计数模型 count data model
Top > Statistics > Count outcomes
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Help file listings
[U] 20 Estimation and postestimation commands
[U] 26.11 Count dependent-variable models (pdf)
[U] 26.18.5 Count dependent-variable models with panel data (pdf)
etpoisson - Poisson regression with endogenous treatment effects
expoisson - Exact Poisson regression
menbreg - Multilevel mixed-effects negative binomial regression
mepoisson - Multilevel mixed-effects Poisson regression
meqrpoisson - Multilevel mixed-effects Poisson regression (QR decomposition)
nbreg - Negative binomial regression
poisson - Poisson regression
tnbreg - Truncated negative binomial regression
tpoisson - Truncated Poisson regression
xtnbreg - Fixed-effects, random-effects, & population-averaged negative binomial models
xtpoisson - Fixed-effects, random-effects, and population-averaged Poisson models
zinb - Zero-inflated negative binomial regression
zip - Zero-inflated Poisson regression
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