Note : This option becomes active only after the Restrict plots to measurements within a starting time and ending time box is checked , in those reports containing it.Because the last values to be plotted are normally measured after the start of the trial (at time equals 0), this value is always positive. This value specified here indexes the number of days or weeks after the trial starts, depending on your selection for the Time Scale parameter.Note : All observations taken after the indicated ending time are averaged into one value, which is displayed at the last time.Tip : To change the scale of the slider, right-click on the slider and select from the pop-up menu. Change the upper or lower boundaries in the that appears, to rescale the slider and click .A value of 90 days is specified by default.