[R] "evaluating expressions" contained in a dataframe

#I have a dataframe called "tests" that contain "character expressions". These characters are rules that use data from within another dataframe. Is there any way within R I can access the rules in the dataframe called tests, and then "evaluate" these "rules"? #An example may better explain wha

[R] commercially supported version of R for 64 -bit Windows?

Can anyone please refer me to all firms that offer and/or are developing a commercially supported version of R for 64 -bit Windows? - Thanks [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.et