Displaying 2 results from an estimated 2 matches for "78999".
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8999
2005 Mar 29
6
Aggregating data (with more than one function)
...Salary
1 Johnson IT 56000
2 James HR 54223
3 Howe Finance 80000
4 Jones Finance 82000
5 Norwood IT 67000
6 Benson Sales 76000
7 Smith Sales 65778
8 Baker HR 56778
9 Dempsey HR 78999
10 Nolan Sales 45667
11 Garth Finance 89777
12 Jameson IT 56786
I want to calculate both the mean salary broken down by Department and
also the
total amount paid out per department i.e. I want both sum(Salary) and
mean(Salary) for each Department. Right now, I a...
2006 Jul 07
2
Multistage Sampling
...c(1,2,3,4,
1,2,3, 1,2),
nl=c(4,4,4,4, 3,3,3, 2,2), Nl=c(100,100,100,100, 50,50,50, 75,75),
M=rep(23,9),
y=c(23,33,77,25, 35,74,27, 37,72) )
dmulti3 <- svydesign(id=~cluster+id, fpc=~M+Nl, data=multi3)
svymean (~y, dmulti3)
mean SE
y 45.796 5.5483
svytotal(~y, dmulti3)
total SE
y 78999 13643
and I estimate the population total as N=M/m sum(Nl) =
23/3*(100+50+75)=1725. With this, my variance estimator is:
y1<-mean(multi3$y[1:4]) # 39.5
y2<-mean(multi3$y[5:7]) # 45.33
y3<-mean(multi3$y[8:9]) # 54.5
yT1<-100*y1 # 3950 total cluster 1
yT2<-50*y2 # 2266.67 total clus...