Because both the dose and duration of drug vary between subjects and within subjects over time I use the time-depedent Cox regression to analyze it However, how do I explain the consistence of drug use, that a user always a user or sometimes discontinue I consider use of figure to explain how the dose and duration vary within individual, like the figure show as below For example of my data and full data in the attached file. How do the sas plot the figure? Thanks you very much ID Prescribe data Dispense duration dose date sequence Header 6 1 2000.1.1. 7 10 1 1 2000.1.15 27 15 14 1 2000.2.12 14 20 42 1 2000.2.27 28 15 57 1 2000.4.1 28 15 85
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