Hi Alex and friends, On Fri, 13 Feb 2009, Alex van den Bogaerdt wrote:
>> I'm looking to take 2-4 unique RRD files that plot the same data from >> different perspectives (i.e. temperature readings from four different >> sensors) and average all the data points together into one graph line. >> >> Is there a CDEF, VDEF, or other such function that will allow me to >> average more than one data source together for this rrdgraph purpose? > CDEF:result=source1,source2,source3,3,AVG That CDEF function (as well as the similar add and divide averaging in CDEF notation) works great! I gather the 'AVG' function does the exact same, as I see from the graphs. In any case, this works perfectly. Thanks so much, -- William R. Lorenz _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
