> I am trying to perform quantile regression analysis to analyse my work.
I
> could install the R package in windows xp. Now I am struggling
> for the next work.I have *marks of students at the university
> examinations*( say response variable Y) and their
> *entrance examination marks* ( Independent one variable X ).I have
entered
> data in Excel spread sheet as records.
>
> I will be thankful If one of you could help me how run the package to
get
> the estimates , plots and significant tests.. I am a Sri Lankan MPhil
> student at .
1. Save your excel data as a comma separated value (csv) file.
File -> Save As...
2. Read the data into R
examdata <- read.csv("examdatafile.csv")
3. Install the quantreg package from CRAN
Packages -> Install packages...
4. Read the help page for the analysis function
?rq
5. Run the analysis
model1 <- rq(Y~X, data=examdata)
6. Examine the results
summary(model1)
Regards,
Richie.
Mathematical Sciences Unit
HSL
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