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.ste...@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 Kolmogorov-Smirnov 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/commons-math/userguide/distribution.html >> [2] http://s.apache.org/HTo >> >>> thanks. >>> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@commons.apache.org >> For additional commands, e-mail: user-h...@commons.apache.org >> >> --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@commons.apache.org For additional commands, e-mail: user-h...@commons.apache.org
