Hello,
Your request is not entirely clear.
What kind of a graph do you want? A bar graph with a bar of the fraction
of positive levels of PASP per each level of SUBJC?
You need to be more specific.
Also, please post data like this:
# post the output of this command in your next mail
dput(head(data, 30))
Hope this helps,
Rui Barradas
Às 17:47 de 18-07-2018, Francesca escreveu:
Dear R help,
I am new to ggplot so I apologize if my question is a bit obvious.
I would like to create a plot where a compare the fraction of the values of a
variable called PASP out of the number of subjects, for two groups of subject
codified with a dummy variable called SUBJC.
The variable PASP is discrete and only takes values 0,4,8..
My data are as following:
PASP SUBJC
0 0
4 1
0 0
8 0
4 0
0 1
0 1
. .
. .
. .
I would like to calculate the fraction of positive levels of PASP out of the
total number of observations, divided per values of SUBJ=0 and 1. I am new to
the use of GGPlot and I do not know how to organize the data and what to use to
summarize these data as to obtain a picture as follows:
I hope my request is clear. Thanks for any help you can provide.
Francesca
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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
