1 |
employment
id
state
type
samplingType
unitType
itemcode
ftemp02
ftpay02
ptemp02
ptpay02
pthours02
ftemp07
ftpay07
ptemp07
ptpay07
pthours07
in02
in07
inSample
finalWeight
size
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | #0. libraries
library("sqldf")
library(ipfp)
#1. load data
data(employment)
#2. delete observations with samplingtype=0 in02=0, in07=0
attach(employment)
dat<-employment[samplingType!=0&
in02!=0&
in07!=0&
!is.na(ptpay02)&
!is.na(ptpay07),-c(5)]
detach(employment)
dat$inSample[is.na(dat$inSample)]<-0
attach(dat)
#2. create small area by state and item code
states<-data.frame(state=levels(state)[sort(unique(state))])
itemcodes<-data.frame(itemcode=levels(itemcode)[sort(unique(itemcode))])
count02<-sqldf("select * from (
select distinct a.state, a.itemcode, sum(a.ftemp02+a.ptemp02) as margin from dat a group by a.state,a.itemcode
union all
select * from (select distinct b.state, c.itemcode,0 as margin from states b,itemcodes c
except select distinct d.state, d.itemcode, 0 as margin from dat d))
order by state, itemcode
")
count07<-sqldf("select * from (
select distinct a.state, a.itemcode, sum(a.ftemp07+a.ptemp07) as margin from dat a group by a.state,a.itemcode
union all
select * from (select distinct b.state, c.itemcode,0 as margin from states b,itemcodes c
except select distinct d.state, d.itemcode, 0 as margin from dat d))
order by state, itemcode
")
#3. create the vector of constraints
Sample<-dat[inSample==1,]
direct07<-sqldf("select * from (
select distinct a.state, a.itemcode, sum(a.finalWeight*( a.ftemp07+a.ptemp07)) as margin from Sample a group by a.state, a.itemcode
union all
select * from (select distinct b.state, c.itemcode,0 as margin from states b,itemcodes c
except select distinct d.state, d.itemcode, 0 as margin from Sample d))
order by state, itemcode
")
marginitem<-sqldf("select * from (
select distinct a.itemcode as code, sum(a.finalweight*(a.ftemp07+a.ptemp07)) as margin from Sample a group by itemcode
union all
select * from (select distinct b.itemcode as code, 0 as margin from itemcodes b
except select c.itemcode as code, 0 as margin from Sample c))
group by code order by code
")
marginstate<-sqldf("select distinct state as code, sum(finalweight*(ftemp07+ptemp07)) as margin from Sample group by state order by state")
margin<-sqldf("select distinct 'intercept' as code, sum(finalweight*(ftemp07+ptemp07)) as margin from Sample")
y<-rbind(margin,marginstate[-1,],marginitem[-1,])[,2]
A<-t(model.matrix(~state+itemcode,data=count02))
total
x0=count02$margin
spree<-ipfp(y=y, A=A, x0=x0, tol = .Machine$double.eps, maxit = 1000,verbose = FALSE, full = FALSE)
length(spree)
REspree <-(spree-count07$margin)/count07$margin
REdirect<-(direct07$margin-count07$margin)/count07$margin
hist(REspree)
hist(REdirect)
boxplot(cbind(Direct=REdirect, Spree=REspree))
plot(REspree,REdirect)
plot(spree,x0,pch=19,cex=.5,col="blue")
abline(0,1,lwd=2)
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.