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 belongs to a group of drugs called benzodiazepines. It affects chemicals in the brain that may be unbalanced in people with anxiety. Lorazepam is used to treat anxiety disorders. Lorazepam may also be used for purposes not listed in this medication guide.