log of small values in R
On Mon, 11 Jan 2021 at 08:22, Shaami <nzshaam at gmail.com> wrote:
Dear Friends I am facing the problem of log values in R. The log(1-0.99999999999999999) is giving -Inf while log(1e-18) gives finite answer. Any suggestion to deal with this problem? Thank you
This vignette has a lot of good information about log of small numbers. vignette(package = "Rmpfr", "log1mexp-note") https://cran.r-project.org/web/packages/Rmpfr/vignettes/log1mexp-note.pdf Regards Martin M. S. Pedersen