X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=doc%2Frrdgraph_rpn.pod;h=6e31ea6d09916eda496096b02f23acb5ad7d6002;hp=5000d7a1738915277d065318971440624dc65d4d;hb=c201fa0decdd835c7edbe19a221f5b7564c3e8cf;hpb=b4ae25910e7803a171ba9e9e3902f67fcabd393f

diff --git a/doc/rrdgraph_rpn.pod b/doc/rrdgraph_rpn.pod
index 5000d7a..6e31ea6 100644
--- a/doc/rrdgraph_rpn.pod
+++ b/doc/rrdgraph_rpn.pod
@@ -139,6 +139,13 @@ Example: C<CDEF:x=v1,v2,v3,v4,v5,v6,6,SORT,POP,5,REV,POP,+,+,+,4,/> will
 compute the average of the values v1 to v6 after removing the smallest and
 largest.
 
+B<AVG>
+
+Pop one element (I<count>) from the stack. Now pop I<count> elements and build the
+average, ignoring all UNKNOWN values in the process.
+
+Example: C<CDEF:x=a,b,c,d,4,AVG>
+
 B<TREND>
 
 Create a "sliding window" average of another data series.