Description Usage Format Examples
Total volumes of distribution (VT) from a simulated PET study including a baseline scan, as well as two other scans after administration of a drug.
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A matrix of total volumes of distribution (VT) with 5 rows (ROIs) and 3 columns (scans).
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | data(occ.example)
occ.example
# Baseline 1st postdose 2nd postdose
# Cerebellum 0.39 0.28 0.30
# Frontal cortex 0.72 0.35 0.47
# Occipital cortex 0.96 0.43 0.62
# Parietal cortex 0.75 0.34 0.50
# Temporal cortex 0.44 0.26 0.31
## Find the neuroreceptor occupancy in each scan:
summary(occ(occ.example))
## Plot the estimated and observed volumes of distribution:
plot(occ(occ.example))
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