>>>>> John Fox >>>>> on Mon, 27 Jul 2020 12:57:57 -0400 writes:
> Dear Dileepkumar R, > As is obvious from the tick marks, the vertical axis is not log-scaled: >> log10(99.999) - log10(99.99) > [1] 3.908865e-05 >> log10(99) - log10(90) > [1] 0.04139269 > That is, these (approximately?) equally spaced ticks aren't equally > spaced on the log scale. > The axis is instead apparently (at least approximately) on the logit > (log-odds) scale: >> library(car) > Loading required package: carData >> logit(99.999) - logit(99.99) > [1] 2.302675 >> logit(99) - logit(90) > [1] 2.397895 Small remark : You don't need car (or any other extra pkg) to have logit: logit <- plogis # is sufficient Note that the ?plogis (i.e. 'Logistic') help page has had a \concept{logit} entry (which would help if one used help.search() .. {I don't; I have 10000 of packages}), and that same help page has been talking about 'logit' for ca 16 years now (and I'm sure this is news for most readers, still)... > You can get a graph close to the one you shared via the following: > library(car) # repeated so you don't omit it .. and here you need 'car' for the nice probabilityAxis(.) .. >> logits <- logit(y_values) >> plot(x_value, logits, log="x", axes=FALSE, > + xlim=c(1, 200), ylim=logit(c(10, 99.999)), > + xlab="Precipitation Intensity (mm/d)", > + ylab="Cumulative Probability", > + main="Daily U.S. Precipitation", > + col="magenta") >> axis(1, at=c(1, 2, 5, 10, 20, 50, 100, 200)) >> probabilityAxis(side=2, at=c(10, 30, 50, 90, 99, 99.9, 99.99, > 99.999)/100) >> box() > Comments: > This produces probabilities, not percents, on the vertical axis, which > conforms to what the axis label says. Also, the ticks in the R version > point out rather than into the plotting region -- the former is > generally considered better practice. Finally, the graph is not a > histogram as the original title states. > I hope this helps, > John > -------------------------------------------- > John Fox > Professor Emeritus > McMaster University > Hamilton, Ontario, Canada > web: https://socialsciences.mcmaster.ca/jfox/ > On 7/27/2020 11:56 AM, Dileepkumar R wrote: >> I think the attached sample figure is not visible >> Here is the sample figure: >> https://drive.google.com/file/d/16Uy3JD0wsEucUv_KOhXCxLZ4U-3wiBTs/view?usp=sharing >> >> sincerely, >> >> >> Dileepkumar R >> >> >> >> >> On Mon, Jul 27, 2020 at 7:13 PM Dileepkumar R <dileepkunj...@gmail.com> >> wrote: >> >>> Dear All, >>> >>> I want to plot a simple cumulative probability distribution graph with >>> like the attached screenshot. >>> But I couldn't fix the y-axis scale as in that screenshot. >>> >>> My data details are follows: >>> >>> y_values >>> =c(66.78149,76.10846,81.65518,85.06448,87.61703,89.61314,91.20297,92.36884, >>> 93.64070,94.57693,95.23052,95.75163,96.15792,96.58188,96.97933,97.29730, >>> 97.59760,97.91556,98.14520,98.37485,98.57799,98.74580,98.87829,99.06377, >>> 99.16093,99.25808,99.37290,99.45239,99.54072,99.59371,99.62904,99.66437, >>> 99.69970,99.70853,99.72620,99.73503,99.77036,99.79686,99.80569,99.82335, >>> 99.83219,99.84985,99.86751,99.87635,99.87635,99.90284,99.90284,99.90284, >>> 99.91168,99.92051,99.92051,99.93817,99.93817,99.93817,99.95584,99.95584, >>> 99.97350,99.97350,99.97350,99.97350,99.97350,99.97350,99.97350) >>> >>> x_value=seq(63) >>> >>> Thank you all in advance >>> >>> Dileepkumar R >>> >> >> [[alternative HTML version deleted]] >> >> ______________________________________________ >> 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. >> > ______________________________________________ > 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. ______________________________________________ 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.