[R] dotplot

[Veerappa Chetty]

Hi,
I am trying to make a dot plot in increasing order of the values. It does
not work. How do I do it? Here are the codes I used. I am also attaching the
data. I use lattice library.
Thanks.
Chetty
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y<-state.resid$Hospital.Name[state.resid$State=="MA"&is.na
(state.resid$reg.resid)==F]
x<-state.resid$reg.resid[state.resid$State=="MA"&is.na
(state.resid$reg.resid)==F]
dotplot(reorder(y,x)~x,xlab="Regression Adjusted   Rates")
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-- 
Professor of Family Medicine
Boston University
Tel: 617-414-6221, Fax:617-414-3345
emails: chettyvk at gmail.com,vchetty at bu.edu