On Fri, Oct 31, 2008 at 11:25 AM, Philip Twumasi-Ankrah <[EMAIL PROTECTED]> wrote: > Hi friends, > I need suggestions/directions on how to producing a waterfall plot for > present extend of change in tumour size for a set of respondents in a study. > Example of use of waterfall plot is in the following slides presented at ASCO > 2007 by Axel Grothey. Link is > > http://media.asco.org/player/default.aspx?LectureID=AG265&conferenceFolder=GI2007&SessionFolder=Poster&slideonly=yes&TrackID=N929&LectureTitle=Waterfall%20plots%20provide%20detailed%20information%20on%20magnitude%20of%20response%20to%20conventional%20chemotherapy%20in%20colorectal%20cancer%3a%20Lessons%20learned%20from%20N9741.&Key=vm_45_3_26_265&SpeakerName=%3b%20Presenter%3a%20Axel%20Grothey%2c%20MD&mediaURL=%2fmedia&ServerName=media.asco.org&max=12&ext=jpg&useASX=false&playtype=&playtype=&playtype=, > > The link is pretty long but it takes you right to the presentation.
Is this really an effective means of describing the distribution of percent change in tumour size? Wouldn't a histogram display the distribution more effectively? Hadley -- http://had.co.nz/ ______________________________________________ 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.