Nothing
Plot, draw regression line and confidence interval, and show regression equation, Rsquare and Pvalue, as simple as possible, by using different models ("line2P", "line3P", "log2P", "exp2P", "exp3P", "power2P", "power3P") built in the 'trendline()' function.
Package details 


Author  Weiping Mei [aut, cre, cph] (<https://orcid.org/0000000164009862>), Guangchuang Yu [aut] (<https://orcid.org/0000000264858781>), Jiangshan Lai [ctb], Qiang Rao [ctb], Yu Umezawa [ctb] 
Maintainer  Weiping Mei <[email protected]> 
License  GPL3 
Version  2.0.3 
URL  https://github.com/PhDMeiwp/basicTrendline 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

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