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The thuesen data frame has 24 rows and 2 columns. It contains ventricular shortening velocity and blood glucose for type 1 diabetic patients.
thuesen
This data frame contains the following columns:
blood.glucose
a numeric vector, fasting blood glucose (mmol/l).
short.velocity
a numeric vector, mean circumferential shortening velocity (%/s).
plot(short.velocity~blood.glucose, data=thuesen)
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