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2008 Jun 14
1
restricted coefficient and factor in linear regression.
...7 0 b8 0 b9 0 b10 0 b11 0
b12 0 c2 0 c3 0 c4 0 c5 0 c6 0 c7 0 c8 0 c9 0 c10 0;
y=a0+al*l+ae*e+ak*k
+(b1*di1+b2*di2+b3*di3+b4*di4+b5*di5+b6*di6
+b7*di7+b8*di8+b9*di9+b10*di10+b11*di11+b12*di12)*
(1*dt1+c2*dt2+c3*dt3+c4*dt4+c5*dt5+c6*dt6+c7*dt7
+c8*dt8+c9*dt9+c10*dt10);
title '***** lee/schmidt parameter estimates *****';
My R code is as follows:
##############
library(plm)
dt <- read.table("dt.dta", sep = "\t", header= T)
dt$id <- factor(dt$id)
dt$yr <- factor(dt$yr)
fit.model <- I(log(y)) ~ I(log(l)) + I(l...
2008 Jun 13
0
restricted coefficient and factor for linear regression.
...0 b9 0 b10 0 b11 0
b12 0 c2 0 c3 0 c4 0 c5 0 c6 0 c7 0 c8 0 c9 0 c10 0;
y=a0+al*l+ae*e+ak*k
+(b1*di1+b2*di2+b3*di3+b4*di4+b5*di5+b6*di6
+b7*di7+b8*di8+b9*di9+b10*di10+b11*di11+b12*di12)*
(1*dt1+c2*dt2+c3*dt3+c4*dt4+c5*dt5+c6*dt6+c7*dt7
+c8*dt8+c9*dt9+c10*dt10);
title '***** lee/schmidt parameter estimates *****';
My R code is as follows:
##############
library(plm)
dt <- read.table("dt.dta", sep = "\t", header= T)
dt$id <- factor(dt$id)
dt$yr <- factor(dt$yr)
fit.model <- I(log(y)) ~ I(log(l)) + I(...