Hi Steve, >> However, I am finding that ... the trendline ... continues to run beyond >> this data segment >> and continues until it intersects the vertical axes at each side of the >> plot.
Your "best" option is probably Prof. Fox's reg.line function in package car. ## library(car) ?reg.line reg.line Regards, Mark. smurray444 wrote: > > > Dear all, > > I am using abline(lm ...) to insert a linear trendline through a portion > of my data (e.g. dataset[,36:45]). However, I am finding that whilst the > trendline is correctly displayed and representative of the data portion > I've chosen, the line continues to run beyond this data segment and > continues until it intersects the vertical axes at each side of the plot. > > How do I display the line so that it only runs between point 36 and 45 (as > shown in the example above) as doesn't continue to display a line > throughout the rest of the plot space? > > Many thanks, > > Steve > > _________________________________________________________________ > View your other email accounts from your Hotmail inbox. Add them now. > http://clk.atdmt.com/UKM/go/167688463/direct/01/ > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > -- View this message in context: http://www.nabble.com/Trendline-for-a-subset-of-data-tp25818425p25821972.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
