Do you want it to run quickly or be quick to write? Why have you specified that you want a solution that uses lapply? (Such constraints often arise in the context of homework, whereas someone interested in getting the job done does not usually care about which function is used.)
On June 18, 2018 1:46:57 PM PDT, Honkit Wong <stephe...@gmail.com> wrote: >Dear R community, >I have a question seems very simple but have trouble to do it. >I have a list which stores many data frames. Now, I want to perform >log10 on one column in each data frame in the list and save the value >as a new column back to the original data frame in the list. How do I >quickly do that with lapply function ? > >Many thanks. >______________________________________________ >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide >http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. -- Sent from my phone. Please excuse my brevity. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
