Math component usage example

Source: Internet
Author: User

Import org. Apache. commons. Math. Stat. descriptive. Moment. geometricmean;
Import org. Apache. commons. Math. Stat. descriptive. Moment. kurtosis;
Import org. Apache. commons. Math. Stat. descriptive. Moment. Mean;
Import org. Apache. commons. Math. Stat. descriptive. Moment. skewness;
Import org. Apache. commons. Math. Stat. descriptive. Moment. standarddeviation;
Import org. Apache. commons. Math. Stat. descriptive. Moment. variance;
Import org. Apache. commons. Math. Stat. descriptive. Rank. Max;
Import org. Apache. commons. Math. Stat. descriptive. Rank. min;
Import org. Apache. commons. Math. Stat. descriptive. Rank. percentile;
Import org. Apache. commons. Math. Stat. descriptive. Summary. product;
Import org. Apache. commons. Math. Stat. descriptive. Summary. sum;
Import org. Apache. commons. Math. Stat. descriptive. Summary. sumofsquares;

Public class testmathuserage {
Public static void main (string [] ARGs ){
Double [] values = new double [] {0.33, 1.33, 0.27333, 0.3, 0.501,
0.444, 0.44, 0.34496, 0.33, 0.3, 0.292, 0.667 };
/*
* System. Out. println ("Min:" + statutils. Min (values ));
* System. Out. println ("MAX:" + statutils. Max (values ));
* System. Out. println ("mean:" + statutils. Mean (values); // returns
* The arithmetic mean of the entries in the input array, or double. Nan
* If the array is empty system. Out. println ("product:" +
* Statutils. Product (values); // returns the product of the entries
* In the input array, or double. Nan if the array is empty.
* System. Out. println ("sum:" + statutils. sum (values); // returns
* The sum of the values in the input array, or double. Nan if the Array
* Is empty. system. Out. println ("Variance:" + statutils. Variance (
* Values); // returns the variance of the entries in the input
* Array, or double. Nan if the array is empty.
*/

Min = new min ();
Max max = new max ();
Mean mean = new mean (); // arithmetic mean value
Product = new product ();
Sum = new sum ();
Variance variance = new variance ();
System. Out. println ("Min:" + min. Evaluate (values ));
System. Out. println ("MAX:" + Max. Evaluate (values ));
System. Out. println ("mean:" + mean. Evaluate (values ));
System. Out. println ("product:" + product. Evaluate (values ));
System. Out. println ("sum:" + sum. Evaluate (values ));
System. Out. println ("Variance:" + variance. Evaluate (values ));

Percentile percentile = new percentile (); // percentile
Geometricmean geomean = new geometricmean (); // geometric mean. the n-th arithmetic root of the product of n positive numbers is the geometric mean of N numbers.
Skewness skewness = new skewness (); // skewness ();
Kurtosis = new kurtosis (); // kurtosis, kurtosis
Sumofsquares = new sumofsquares (); // sum of squares
Standarddeviation = new standarddeviation ();
System. Out. println ("80 percentile value :"
+ Percentile. Evaluate (values, 80.0 ));
System. Out. println ("geometric mean:" + geomean. Evaluate (values ));
System. Out. println ("skewness:" + skewness. Evaluate (values ));
System. Out. println ("kurtosis:" + kurtosis. Evaluate (values ));
System. Out. println ("sumofsquares:" + sumofsquares. Evaluate (values ));
// Standard variance
System. Out. println ("standarddeviation :"
+ Standarddeviation. Evaluate (values ));
}
}
 

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