In what conditions we should apply Loess Regression?

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Mohsin Abdullah Al-Shammari Popular answer

https://blogs.sas.com/content/iml/2016/10/17/what-is-loess-regression.html

Ujjaval Srivastava

Thank you Mohsin Abdullah Al-Shammari sir....but I am not using SAS. I will use it in R or STATA.

Thank you Jumaa Salman Chiad sir for your reference...if you can elaborate it in your easy words, it would be very helpful to me.