When a complex statistical model cannot converge, it may help giving starting values for the covariance matrix. The following example is a two-dimensional multivariate normal distribution (two visits,
Remembering useful ISO Date formats.
Making sure your records from excel does not get truncated at 1024 characters when using libname to Excel.
The example shows how the SDTM data can be used directly to create patient profiles. This example display the concomitant medication, the adverse events together with efficacy and doses from a trial
Exploratory comparison of distribution of efficacy variable. Presented in panel plot for quick review.
If you have a dataset with information in the first row that you need to bring forward (say a treatment, or a starting dose), and information that you need to bring backwards (say a start date, where