Thanks for all the response. I think plotting a cdf or taking transformation could make the plot look better.
But my further question is how to set the breaks to make the histogram concentrate in the interval of (0.01,0.2). I can even ignore the other parts of the values. Thanks! Leaf ======= At 2005-11-02, 12:07:12 you wrote: ======= >> > Leaf Sun wrote: >> > The histogram is highly screwed to the right, say, the range >> > of the vector is [0, 2], but 95% of the value is squeezed in >> > the interval (0.01, 0.2). > >I guess the histogram is as you wrote. See >http://web.maths.unsw.edu.au/~tduong/seminars/intro2kde/ >for a short explanation. > > >> -----Original Message----- >> From: Berton Gunter [mailto:[EMAIL PROTECTED] >> Sent: Wednesday, November 02, 2005 1:10 PM >> To: 'Leaf Sun'; [email protected] >> Subject: [R] Visualizing a Data Distribution -- Was: breaks in hist() >> >> >> Leaf: >> >> An interesting question concerning graphical perception. As >> you have noted, >> choice of bin boundaries in a histogram can have a big effect on how a >> distribution is perceived. My $.02 (U.S.): >> >> Histograms are a relic of manual data plotting. We have much better >> alternatives these days that should be used instead. e.g. >> >> 1. (my preference, but properly not consumer-friendly). Plot >> the cdf instead >> (?ecdf) . >> >> 2. Plot a density estimator (?density ; ?densityplot) >> >> 3. See David Scott's ash package, perhaps the KernSmooth package also >> (though density() probably already has anything that you'd >> need from it). >> >> Cheers, >> >> -- Bert Gunter >> Genentech Non-Clinical Statistics >> South San Francisco, CA >> >> "The business of the statistician is to catalyze the >> scientific learning >> process." - George E. P. Box >> >> >> >> > -----Original Message----- >> > From: [EMAIL PROTECTED] >> > [mailto:[EMAIL PROTECTED] On Behalf Of Leaf Sun >> > Sent: Wednesday, November 02, 2005 9:49 AM >> > To: [email protected] >> > Subject: [R] breaks in hist() >> > >> > Dear listers, >> > >> > A quick question about breaks in hist(). >> > >> > The histogram is highly screwed to the right, say, the range >> > of the vector is [0, 2], but 95% of the value is squeezed in >> > the interval (0.01, 0.2). My question is : how to set the >> > breaks then make the histogram look even? >> > >> > Thanks in advance, >> > >> > Leaf >> > >> > >> >> ______________________________________________ >> [email protected] mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide! >> http://www.R-project.org/posting-guide.html >> = = = = = = = = = = = = = = = = = = = =
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