From: Count data models for outpatient health services utilisation
Total number of outpatient visit (n = 11,674)
Frequency
Percent (%)
0
10,467
89.66
1
1,002
8.58
2
121
1.04
More than 3
84
0.72
ỵ(mean)
0.14
s^2 y (variance)
0.39