https://bugs.documentfoundation.org/show_bug.cgi?id=114826
Bug ID: 114826
Summary: Different Results Calculating Logarithmic Regression
with two methods of Calc
Product: LibreOffice
Version: 6.0.0.1 rc
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Calc
Assignee: libreoffice-bugs@lists.freedesktop.org
Reporter: jrodriguez1...@gmail.com
Description:
I use Logest function and Statistic Logarithmic Regression Option (By Menu), to
calculate the results to get it but I found that only in the R² are
co-occurring, in the rest of result: Slope, Intercept, Standard Error, are
different.
If I do the process well, one of the two methods would be wrong or both.
An example is attached to this bug report.
Steps to Reproduce:
1.Set a two data variable set in two different columns. Exm: Y1, X1 Both with
10 values.
2.Select Logest Function and there select Y1 data and then X1 Data, select 0 in
the third option and 1 in the last option. And Accept to get the results.
3.Use Menu-Data-Statistics-Regression -Logarithmic Option ( Set Y1 as variable
1 and X1 as variable 2 ). Accept and get the results.
4.Compare the results of both methods,only R² are equals.
Actual Results:
The same, only R² are equals.
Expected Results:
It should offer the same results calculating the logarithmic regression using
both methods.
Reproducible: Always
User Profile Reset: No
Additional Info:
Version: 6.0.0.1
Build ID: d2bec56d7865f05a1003dc88449f2b0fdd85309a
CPU threads: 4; OS: Linux 4.13; UI render: default; VCL: gtk2;
Locale: es-ES (es_ES.UTF-8); Calc: group
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:57.0) Gecko/20100101
Firefox/57.0
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