Philip Twumasi-Ankrah schrieb:
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.
Hi Phillip,
is this a "waterfall plot":
## a few data
x <- 0:99
y <- sort(rnorm(100), decreasing=TRUE)
# the plot
plot(y, type="n")
polygon(c(min(x), x, max(x), 0), c(0, y, 0, 0), col="green")
Thomas P.
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