Hi maybe abline(0,1)
HTH Petr On 19 Jun 2006 at 16:22, priti desai wrote: Date sent: Mon, 19 Jun 2006 16:22:24 +0530 From: "priti desai" <[EMAIL PROTECTED]> To: <[email protected]> Subject: [R] Qurey : How to add trendline( st. line) in Graph > How to add trendline (i.e. straight line passing through maximum > points) in graph. I have worked on the data given below. Please tell > me how to add trendline in the graph. > > The script is as follows > > =================================== start > ==================================================== > > # The data is as follows > > data <- c( 0.01, 0.02, 0.04, 0.13, 0.17 , 0.19 , 0.21 , 0.27 , 0.27 > , 0.28, 0.29, 0.37, > 0.41, 0.49, 0.51, 0.52, 0.54, 0.57, 0.62, 0.63, > 0.68, > 0.73, 0.74, 0.79, > 0.81, 0.81, 0.82, 0.86, 0.94, 0.96, 1.02, 1.10, > 1.10, > 1.20, 1.29, 1.36, > 1.40, 1.41, 1.44, 1.45, 1.62, 1.67, 1.69, 1.78, > 1.82, > 2.11, 2.13, 2.14, > 2.24, 2.29, 2.34, 2.40, 2.46, 2.70, 2.83, 2.98, > 3.00, > 3.30, 3.53, 3.70, > 3.86, 3.90, 3.91, 3.98, 5.01, 5.23, 6.05, 6.12, > 10.41, > 10.73) > > # P-P plot > average <- mean(data) > lambda <- (1/average) > e <- c(1:70) > f <- c((e-.5)/70) > Fx <- c(1 - exp(-lambda*data)) > g <- sort(Fx) > plot(f,g) > > ===================================== end > ==================================================== > > Awaiting your positive reply. > > Regards. > Priti. > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html Petr Pikal [EMAIL PROTECTED] ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
