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Trendline go below 0

Discussion in 'Ask an Excel Question' started by Dokat, Mar 14, 2019.

  1. Dokat

    Dokat Member

    Messages:
    315
    Hi,

    I am ploting a graph and for some reason when I put a trendline on my graph it makes the graph plot to -10000 and it goes below (0) my X axis. How can i fix this?

    Thanks
  2. Hui

    Hui Excel Ninja Staff Member

    Messages:
    12,266
    Set the Minimum Axis value to 0

    Right click on the Axis
    Select Format Axis
    Set the Minimum to 0
  3. Dokat

    Dokat Member

    Messages:
    315
    Changing the axis min to 0 didn't help. Its that trend line starts from the second bar and goes below axis even tho there are no 0 values in the chart.

    Thanks
  4. Hui

    Hui Excel Ninja Staff Member

    Messages:
    12,266
    Can you post the sample file with the data values
  5. Dokat

    Dokat Member

    Messages:
    315
    I don't know how it happened but issue fixed itself.
  6. Hui

    Hui Excel Ninja Staff Member

    Messages:
    12,266
    The Trendline functionality is only modelling your data

    If your sales etc are falling, it will have a downward trend and yes, it can cross the 0 aixs
  7. Peter Bartholomew

    Peter Bartholomew Well-Known Member

    Messages:
    709
    You could change the calculation of the trendline to 'power'. That will not accept negative values but the zero cutoff comes at a price of having some wild behaviour at the high end.
  8. Dokat

    Dokat Member

    Messages:
    315
    Thanks

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