Thank you very much! I do need to learn more about R!!
On Tuesday, March 17, 2015 9:26 PM, William Dunlap <wdun...@tibco.com> wrote: Fix Ace wrote What is the default "n"? 512: > length(density(rnorm(10^6))$x) [1] 512 > args(density.default) function (x, bw = "nrd0", adjust = 1, kernel = c("gaussian", "epanechnikov", "rectangular", "triangular", "biweight", "cosine", "optcosine"), weights = NULL, window = kernel, width, give.Rkern = FALSE, n = 512, from, to, cut = 3, na.rm = FALSE, ...) NULL > ?density # or ?density.default, should also tell you about its meaning Bill Dunlap TIBCO Software wdunlap tibco.com On Tue, Mar 17, 2015 at 7:02 PM, Fix Ace <ace...@rocketmail.com> wrote: Thank you for the email. What is the default "n"? Thanks! On Tuesday, March 17, 2015 4:06 PM, William Dunlap <wdun...@tibco.com> wrote: Increasing the value of 'n' given to density will give an estimate at more points so it will look smoother. Try n=2^18. Bill Dunlap TIBCO Software wdunlap tibco.com On Tue, Mar 17, 2015 at 12:06 PM, Fix Ace <ace...@rocketmail.com> wrote: I have a dataset with 6187 elements, ranged from 3 to 104028. When I tried to examine only small range of data, I found that the plot was not smooth (as shown below): plot(density(test$V2), xlim=c(0,1000)) Is there away to make it smoother? Thanks a lot!! ______________________________________________ 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. [[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.