emr_track.info: Returns information about the track.
Description
This function returns information about the track: type, data type, number
of vales, number of unique values, minimal / maximal value, minimal /
maximal id, minimal / maximal time.
Usage
emr_track.info(track)
Value
A list that contains track properties
Arguments
track
track name
Details
Note: this function ignores the current subset, i.e. it is applied to the
whole track.