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Vector operations between grapes: An infixonly package! The 'invctr' functions perform common and less common operations on vectors, data frames matrices and list objects:  Extracting a value (range), or, finding the indices of a value (range).  Trimming, or padding a vector with a value of your choice.  Simple polynomial regression.  Set and membership operations.  General check & replace function for NAs, Inf and other values.
Package details 


Author  Fred Hasselman [aut, cre] (<https://orcid.org/0000000313848361>) 
Maintainer  Fred Hasselman <fred.hasselman@ru.nl> 
License  GPL3 
Version  0.2.0 
URL  https://github.com/FredHasselman/invctr 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

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