Time series data and tsset. To use Stata's time-series functions and analyses, you must first make sure that your data are, indeed, time-series. First, you must have a date variable that is in Stata date format. Secondly, you must make sure that your data are sorted by this date variable.
Patients were randomly assigned to either a control condition (opioid analgesia alone) or anxiolytic condition (opioid analgesia+lorazepam) and then asked to report their worst procedural pain for 4 consecutive days: a 2-day baseline period and a 2-day post-treatment period.
Lorazepam is in a class of medicines called benzodiazepines. Your doctors may have prescribed lorazepam to treat anxiety or anxiety that is associated with depression. Lorazepam comes as the brand name Ativan Â® .