https://bugs.documentfoundation.org/show_bug.cgi?id=117318
Bug ID: 117318
Summary: Wrong SIGMA SLOPE value calculated with LINEST
function
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@lists.freedesktop.org
Reporter: pablofabian.wagnerbo...@gmail.com
Created attachment 141741
--> https://bugs.documentfoundation.org/attachment.cgi?id=141741&action=edit
Sample data
I'm trying to obtain the uncertainty in the determination of the slope in a
linear regression analysis of some data. This sigma slope value is calculated
in LibreOffice as if the line intersects the (0,0) value (b=0 in y=mx+b),
regardless of what the "b" value is.
Here's where this value is actually calculated:
https://opengrok.libreoffice.org/xref/core/sc/source/core/tool/interpr5.cxx#2464
I'm attaching a ODS spreadsheet as an example.
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