新手求助：2SLS回归出现的问题r(3301) subscript invalid

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第一次用STATA模拟论文的数据处理过程，我用的论文是Angrist 1991年发表的《Does compusory school attendance affect schooling and earning》,我运行了作者提供的do文件，在运行最后一条命令时出现了如下问题：. ivregress 2sls LWKLYWGE YR20-YR28 AGEQ AGEQSQ (EDUC = QTR120-QTR129 QTR220-QTR> 229 QTR320-QTR329 YR20-YR28)
      _rmcoll2list_wrk():  3301  subscript invalid
                 <istmt>:     -  function returned error
r(3301);

end of do-file

我是很新的新手==正在摸索中，碰到这个问题百度了并没查到答案，求大神指点。

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关键词：invalid script Valid scrip 新手求助 attendance function invalid 百度 affect

rename v1 AGE
rename v2 AGEQ
rename v4 EDUC
rename v5 ENOCENT
rename v6 ESOCENT
rename v9 LWKLYWGE
rename v10 MARRIED
rename v11 MIDATL
rename v12 MT
rename v13 NEWENG
rename v16 CENSUS
rename v18 QOB
rename v19 RACE
rename v20 SMSA
rename v21 SOATL
rename v24 WNOCENT
rename v25 WSOCENT
rename v27 YOB
drop v8
gen COHORT=20.29
replace COHORT=30.39 if YOB<=39 & YOB >=30
replace COHORT=40.49 if YOB<=49 & YOB >=40
replace AGEQ=AGEQ-1900 if CENSUS==80
gen AGEQSQ= AGEQ*AGEQ

** Generate YOB dummies **********
gen YR20=0  
replace YR20=1 if YOB==1920  
replace YR20=1 if YOB==30
replace YR20=1 if YOB==40
gen YR21=0  
replace YR21=1 if YOB==1921  
replace YR21=1 if YOB==31
replace YR21=1 if YOB==41
gen YR22=0  
replace YR22=1 if YOB==1922  
replace YR22=1 if YOB==32
replace YR22=1 if YOB==42
gen YR23=0  
replace YR23=1 if YOB==1923
replace YR23=1 if YOB==33
replace YR23=1 if YOB==43
gen YR24=0  
replace YR24=1 if YOB==1924  
replace YR24=1 if YOB==34
replace YR24=1 if YOB==44
gen YR25=0  
replace YR25=1 if YOB==1925  
replace YR25=1 if YOB==35
replace YR25=1 if YOB==45
gen YR26=0  
replace YR26=1 if YOB==1926  
replace YR26=1 if YOB==36
replace YR26=1 if YOB==46
gen YR27=0  
replace YR27=1 if YOB==1927  
replace YR27=1 if YOB==37
replace YR27=1 if YOB==47
gen YR28=0  
replace YR28=1 if YOB==1928  
replace YR28=1 if YOB==38
replace YR28=1 if YOB==48
gen YR29=0  
replace YR29=1 if YOB==1929  
replace YR29=1 if YOB==39
replace YR29=1 if YOB==49

** Generate QOB dummies ***********
gen QTR1=0
replace QTR1=1 if QOB==1
gen QTR2=0
replace QTR2=1 if QOB==2
gen QTR3=0
replace QTR3=1 if QOB==3
gen QTR4=0
replace QTR4=1 if QOB==4

** Generate YOB*QOB dummies ********
gen QTR120= QTR1*YR20
gen QTR121= QTR1*YR21
gen QTR122= QTR1*YR22
gen QTR123= QTR1*YR23
gen QTR124= QTR1*YR24
gen QTR125= QTR1*YR25
gen QTR126= QTR1*YR26
gen QTR127= QTR1*YR27
gen QTR128= QTR1*YR28
gen QTR129= QTR1*YR29

gen QTR220= QTR2*YR20
gen QTR221= QTR2*YR21
gen QTR222= QTR2*YR22
gen QTR223= QTR2*YR23
gen QTR224= QTR2*YR24
gen QTR225= QTR2*YR25
gen QTR226= QTR2*YR26
gen QTR227= QTR2*YR27
gen QTR228= QTR2*YR28
gen QTR229= QTR2*YR29

gen QTR320= QTR3*YR20
gen QTR321= QTR3*YR21
gen QTR322= QTR3*YR22
gen QTR323= QTR3*YR23
gen QTR324= QTR3*YR24
gen QTR325= QTR3*YR25
gen QTR326= QTR3*YR26
gen QTR327= QTR3*YR27
gen QTR328= QTR3*YR28
gen QTR329= QTR3*YR29


keep if COHORT<20.30

** Col 1 3 5 7 ***
reg  LWKLYWGE EDUC  YR20-YR28
reg  LWKLYWGE EDUC  YR20-YR28 AGEQ AGEQSQ
reg  LWKLYWGE EDUC  RACE MARRIED SMSA NEWENG MIDATL ENOCENT WNOCENT SOATL ESOCENT WSOCENT MT YR20-YR28  
reg  LWKLYWGE EDUC  RACE MARRIED SMSA NEWENG MIDATL ENOCENT WNOCENT SOATL ESOCENT WSOCENT MT YR20-YR28 AGEQ AGEQSQ


** Col 2 4 6 8 ***
ivregress 2sls LWKLYWGE YR20-YR28 (EDUC = QTR120-QTR129 QTR220-QTR229 QTR320-QTR329 YR20-YR28)
ivregress 2sls LWKLYWGE YR20-YR28 AGEQ AGEQSQ (EDUC = QTR120-QTR129 QTR220-QTR229 QTR320-QTR329 YR20-YR28)
ivregress 2sls LWKLYWGE YR20-YR28 RACE MARRIED SMSA NEWENG MIDATL ENOCENT WNOCENT SOATL ESOCENT WSOCENT MT  (EDUC = QTR120-QTR129 QTR220-QTR229 QTR320-QTR329 YR20-YR28)
ivregress 2sls LWKLYWGE YR20-YR28 RACE MARRIED SMSA NEWENG MIDATL ENOCENT WNOCENT SOATL ESOCENT WSOCENT MT AGEQ AGEQSQ (EDUC = QTR120-QTR129 QTR220-QTR229 QTR320-QTR329 YR20-YR28)
这是整个do文件，前面运行都没有问题，就最后一条命令出错了~嘤嘤嘤

请试试

1. *keep if COHORT<20.30

复制代码

黃河泉 发表于 2016-12-9 17:29
请试试

麻烦说的详细点？不太懂哎，谢谢！

陌上筱晓 发表于 2016-12-9 18:13
麻烦说的详细点？不太懂哎，谢谢！

我刚刚试跑了一下，发觉 Stata 说没资料，主要是因为 keep if COHORT<20.30 这个指令；所以在其前面加个 * 把该指令变成 comment (不会执行)，就可以跑了！你先试试吧！

黃河泉 发表于 2016-12-9 18:23
我刚刚试跑了一下，发觉 Stata 说没资料，主要是因为 keep if COHORT

那我应该把那条命令怎么改呢？非常感谢^_^

陌上筱晓 发表于 2016-12-9 21:38
那我应该把那条命令怎么改呢？非常感谢^_^

我已经写了两次了，你要不要仔细看一下！

黃河泉 发表于 2016-12-10 07:34
我已经写了两次了，你要不要仔细看一下！

确实是才学啥都不懂 …我再研究下，谢谢你的回复^_^

请问楼主问题解决了吗？求指导，谢谢了~

黃河泉 发表于 2016-12-10 07:34
我已经写了两次了，你要不要仔细看一下！

xtptm overspill infrastr labor finance govern , rx( lnrd ) thrvar(year) iters(100
> 0) trim(0.05) grid(100) regime(3)
                 <istmt>:  3301  subscript invalid
那黄老师，这块内容是为什么出错了呢，多谢了