Describes the cause and action for error messages.
Error Message(English)：
polynomial fit not correct
Trendline Fitting Errors - Peltier Tech Blog
https://peltiertech.com/trendline-fitting-errors/
Linear trendline equation incorrect in Excel - Super User
https://superuser.com/questions/836038/linear-trendline-equation-incorrect-in-excel
regression - Why can't I get an accurate polynomial equation for ...
https://math.stackexchange.com/questions/2823510/why-cant-i-get-an-accurate-polynomial-equation-for-・・・
Quadratic and cubic regression in Excel - Stack Overflow
https://stackoverflow.com/questions/10857252/quadratic-and-cubic-regression-in-excel
4th and 5th Order Polynomial Regression not Working in Excel ...
https://stackoverflow.com/questions/29539100/4th-and-5th-order-polynomial-regression-not-working-in-・・・
How do you fit trendline in Excel using polynomial option (say order 5 ...
https://www.researchgate.net/post/How_do_you_fit_trendline_in_Excel_using_polynomial_option_say_orde・・・
Polynomial Curve Fit in Excel using Data Curve Fit Creator Add-in ...
https://www.youtube.com/watch?v=rznD561PPlE
https://www.youtube.com/watch?v=rznD561PPlE
Excel Polynomial Regression Line - YouTube
https://www.youtube.com/watch?v=gItKAdF-SBE