Describes the cause and action for error messages.
Error Message(English)：
incorrect trendline equation
Linear trendline equation incorrect in Excel - Super User
https://superuser.com/questions/836038/linear-trendline-equation-incorrect-in-excel
charts - Excel use dates as x axis, but numbers to ...
https://superuser.com/questions/1256640/excel-use-dates-as-x-axis-but-numbers-to-fit-regression-equa・・・
microsoft excel - How to find trendline without ...
https://superuser.com/questions/920278/how-to-find-trendline-without-graphing
microsoft excel - Higher Dimensional Trendline
https://superuser.com/questions/881931/higher-dimensional-trendline
Excel: filling a table based on trendline equation ...
https://superuser.com/questions/57599/excel-filling-a-table-based-on-trendline-equation-without-crea・・・
Linear trendline equation incorrect in Excel - Super User
https://superuser.com/a/836339
Excel trendline types, equations and formulas - Ablebits.com
https://www.ablebits.com/office-addins-blog/2019/01/16/excel-trendline-types-equations-formulas/
Trendline Fitting Errors - Peltier Tech Blog
https://peltiertech.com/trendline-fitting-errors/
Why do trendline equations in Excel differ from the trendlines ...
https://www.quora.com/Why-do-trendline-equations-in-Excel-differ-from-the-trendlines-they-represent