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Saara Väänänen
上次活动时间: 2021-3-22

Warning: Non-numeric data was found. This could mean that you are attempting to retrieve data from a channel or field that has non-numeric points. Set 'OutputFormat' property to 'table' or 'timetable' to read non-numeric data.

Hi,

I have an urgent problem. I am reading data from a channel to my channel and visualizing it.

I am reading data from fields 5 and 6 from daterange (2 hours). I manage to get data from channel (below) but I get the message "Warning: Non-numeric data was found. This could mean that you are attempting to retrieve data from a channel or field that has non-numeric points. Set 'OutputFormat' property to 'table' or 'timetable' to read non-numeric data. "

Probably due to that it is not uploaded to my channel with the thingSpeakWrite. If I read the same time period from fields 1 and 2 I manage to write that to my channel but for some reason fields 5 and 6 have a different format or what?

Could you please help me out here :).

data1 =

   30.9000       NaN
       NaN       NaN
       NaN       26.1000
       NaN       NaN
       NaN       NaN
       NaN       NaN
       NaN       NaN
   30.9000       NaN
       NaN       NaN
       NaN       NaN
       NaN       NaN
   30.8000       NaN
       NaN       NaN
       NaN       NaN
       NaN       NaN
       NaN       NaN

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Warning: Non-numeric data was found. This could mean that you are attempting to retrieve data from a channel or field that has non-numeric points. Set 'OutputFormat' property to 'table' or 'timetable' to read non-numeric data.