January 15, 2014
I can't figure out what I'm doing wrong. If I put any average or median entry into the properties on a chart, the chart returns nothing. When I use the API and put median or average (or any aggregation) I get null in the data.
http://api.thingspeak.com/channels/9675/feed.json - returns data but
http://api.thingspeak.com/channels/9675/feed.json?average=10 - returns null
Can someone please point me in the right direction.
March 14, 2011
You have the URL correct ( http://api.thingspeak.com/channels/9675/feed.json?average=10 ), however the data in your channel is a bit off. You have an extra space after each field entry, for example "16 ". Please input your data without the trailing space (like "16") so that our system can recognize the data as a number rather than a string.
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