[R] density
Uwe Ligges
ligges at statistik.uni-dortmund.de
Sat Apr 23 15:54:57 CEST 2005
Hui Han wrote:
> Hi,
>
> I used the density function in the R package, and got the following
> results. I just wonder how to explain them.
> What is Min, 1st Qu, Median, and so on? I could not find an explanation
> from help(density). The plot doesn't seem to match
> the x and y value either.
>
> Thanks in advance for any help that you can give me!
>
> Hui
> ------------------------------------------------------------
> Call:
> density(x = x2, kernel = "gaussian")
>
> Data: x2 (6437 obs.); Bandwidth 'bw' = 0.1209
>
> x y Min. :-1.8856 Min.
> :5.851e-06 1st Qu.:-0.1629 1st Qu.:2.262e-03 Median : 1.5599
> Median :3.945e-02 Mean : 1.5599 Mean :1.450e-01 3rd Qu.:
> 3.2826 3rd Qu.:2.738e-01 Max. : 5.0054 Max. :5.761e-01
density() estimates the density (y) at several values (x). The values
above are the summaries (see ?summary) for those x and y values
calculated by print.density() ...
Uwe Ligges
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