: Numerical information about variables in prostate cancer data This question seems to be weird at first glance but I think this is the appropriate place to ask. I'm studying Prostate data by Stamey et. al., (1989), data to

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Numerical information about variables in prostate cancer data
This question seems to be weird at first glance but I think this is the appropriate place to ask.

I'm studying Prostate data by Stamey et. al., (1989), data to examine the correlation between the level of prostate-specific antigen and a number of clinical measures in men who were about to receive a radical prostatectomy.

The variables:

lcavol: log cancer volume

lweight: log prostate weight

age: in years

lbph: log of the amount of benign prostatic hyperplasia

svi: seminal vesicle invasion

lcp: log of capsular penetration

gleason: a numeric vector

pgg45: percent of Gleason score 4 or 5

lpsa: response

I wonder if there is a numerical medical information about these variables. For example, “Is there a numerical relationship between log cancer volume and log prostate weight?”,

OR, for instance, Can someone say something like “We expect that seminal vesicle invasion is double amount of log prostate weight”?

EDIT:

For additional information about publications:

(1) Prostate specific antigen in the diagnosis and treatment of adenocarcinoma of the prostate. II. Radical prostatectomy treated patients

(2) Regression shrinkage and selection via the lasso

(0)

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