[Libreoffice-bugs] [Bug 117208] New: Wrong equation evaluation of the Trend Line

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=117208

            Bug ID: 117208
           Summary: Wrong equation evaluation of the Trend Line
           Product: LibreOffice
           Version: 6.0.3.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: hildogjr at gmail.com

Created attachment 141590
  --> https://bugs.documentfoundation.org/attachment.cgi?id=141590&action=edit
Data and chart with the line trend

I am send a attachment with data and charts. In the charts I plot the point and
after the linear trend line of this data.
The strange is that the trend line equation doesn't match with the data.
For example, using other software I came up with
Ch0(x) = (74,7809 - 0,0054723) * x
Ch3(x) = (74, 95901 - 0,0025367) *x
that is different from the Calc give equation. The strange is data the line
plot (visualization) is fine.

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