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Data arise from 31 male patients who have been treated for superficial bladder cancer, and give the number of recurrent tumours during a particular time after the removal of the primary tumour, along with the size of the original tumour.
data("bladdercancer")
time
tumorsize
<=3cm< code=""> and >3cm
.
number
The aim is the estimate the effect of size of tumour on the number of recurrent tumours.
data("bladdercancer", package = "HSAUR3")
mosaicplot(xtabs(~ number + tumorsize, data = bladdercancer))
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