llListStatistics

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/LSL

ListStatistics

llListStatistics

Summary

Function: float llListStatistics( integer operation, list src );

315	Function ID
0.0	Forced Delay
10.0	Energy

Returns a float that is the result of performing statistical aggregate function operation on src.

• integer	operation	–	a LIST_STAT_* flag
• list	src

If a list entry type is not a float or an integer it is silently ignored.

Constant		Description
LIST_STAT_RANGE	0	Returns the range.
LIST_STAT_MIN	1	Retrieves the smallest number.
LIST_STAT_MAX	2	Retrieves the largest number.
LIST_STAT_MEAN	3	Retrieves the mean (average).
LIST_STAT_MEDIAN	4	Retrieves the median number.
LIST_STAT_STD_DEV	5	Calculates the standard deviation.
LIST_STAT_SUM	6	Calculates the sum.
LIST_STAT_SUM_SQUARES	7	Calculates the sum of the squares.
LIST_STAT_NUM_COUNT	8	Retrieves the number of float and integer elements.
LIST_STAT_GEOMETRIC_MEAN	9	Calculates the geometric mean.

Caveats

All Issues ~ Search JIRA for related Bugs

Examples

<lsl>// shows just how bad SL is behaving and demonstrates the use of llListStatistics() list dil_s; list fps_s;

default {

   state_entry()
   {
       dil_s = fps_s = [];
       llSetTimerEvent(1.0);
   }
   
   on_rez (integer parm)
   {
       llResetScript();
   }
   
   timer()
   {
       dil_s = llList2List(dil_s + llGetRegionTimeDilation(), -60, -1);
       fps_s = llList2List(fps_s + llGetRegionFPS(), -60, -1);
       if(llGetListLength(dil_s) > 3)
       {
           llSetText(
               "Dilation: min="+(string) llListStatistics(LIST_STAT_MIN, dil_s) + ", mean=" +
                   (string) llListStatistics(LIST_STAT_MEAN, dil_s) + ", max=" +
                   (string) llListStatistics(LIST_STAT_MAX, dil_s) + ", std.dev=" +
                   (string) llListStatistics(LIST_STAT_STD_DEV, dil_s) + "\n" + 
                   "FPS: min="+(string) llListStatistics(LIST_STAT_MIN, fps_s) + ", mean=" +
                   (string) llListStatistics(LIST_STAT_MEAN, fps_s) + ", max=" +
                   (string) llListStatistics(LIST_STAT_MAX, fps_s) + ", std.dev=" +
                   (string) llListStatistics(LIST_STAT_STD_DEV, fps_s),
               <1.0, 1.0, 0.0>, //yellow
               1.0);
       }
   }
   
   changed(integer change)
   {
       if(change & CHANGED_REGION)
       {
           llResetScript();
       }
   }

}</lsl>

See Also

Functions

•

llGetListEntryType

Deep Notes

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Signature
function float llListStatistics( integer operation, list src );