Hi.
I download RealDistributionComparison.java from
<http://s.apache.org/HTo> but in program there is "import
org.apache.commons.math4.util.FastMath;
52 ",... .
how do I download math4 ?
only there is commons math 3.5 in apache address and netbeans error.
how I can solve it ,please?
thanks
On Fri, Jun 19, 2015 at 7:24 AM, Phil Steitz <phil.steitz@gmail.com> wrote:
> On 6/19/15 2:22 AM, narjes saraie wrote:
> > Hi Phil.
> >
> >
> > I open http://s.apache.org/HTo <http://s.apache.org/HTo>
> > but i couldent use it.Is it possible for you to attache one source of
> the
> > plot?
>
> Click on "RealDistributionComparison.java" and you will see the
> source code.
>
> Phil
> > I dont know witch line help me to draw the plots in the user
> > guide section on probability distributions?
> > Im sorry that Im very very beginner.
> >
> >
> > thanks a lot .
> >
> >
> > <http://s.apache.org/HTo>
> >
> > On Thu, Jun 18, 2015 at 8:06 AM, Phil Steitz <phil.steitz@gmail.com>
> wrote:
> >
> >> On 6/18/15 6:31 AM, narjes saraie wrote:
> >>> Hi All.
> >>> I am beginner in java and have some data.I want to guess a distribution
> >> for
> >>> my data then calculate goodness of fit (gof).
> >>> I find distribution commons math and use it ,if i want plot my
> >> distribution
> >>> or CDF or probability (X>x), how do it?
> >>> is it any example for distribution and plotting it.
> >> We don't have graphical exploratory data analysis tools in Commons
> >> Math. You would do best to start with a package that supports
> >> generation of histograms if you have no idea what distribution might
> >> fit the data. If you do have an idea of what the distribution is,
> >> depending on what it is, you may be able to estimate the parameters
> >> of the distribution from the data. For example, if you think that
> >> the data are normally distributed, you can use SummaryStatistics in
> >> the stat package to get the standard statistical estimators of the
> >> mean and standard deviation, which together determine a normal
> >> distribution. Then you could do a KolmogorovSmirnov test (or group
> >> the data and use a G or ChiSquare test) to assess goodness of fit.
> >> Other distributions have different parameters and different
> >> statistical estimators.
> >>
> >> We don't currently support plotting distributions in Commons Math,
> >> but the user guide code contains an example showing how to do it
> >> with some external tools. Have a look at the plots in the user
> >> guide section on probability distributions [1] and the source for
> >> the code that generates those plots [2].
> >>
> >> Phil
> >>
> >> [1]
> >>
> http://commons.apache.org/proper/commonsmath/userguide/distribution.html
> >> [2] http://s.apache.org/HTo
> >>
> >>> thanks.
> >>>
> >>
> >>
> >> 
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> >> For additional commands, email: userhelp@commons.apache.org
> >>
> >>
>
>
> 
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