Package fr.ens.biologie.genomique.aozan.util

Class StatisticsUtils

  • public class StatisticsUtils
extends Object
    This class contains statistics methods, using the class DescriptiveStatistics from commons.apache.math.
    Since:
    1.1
    Author:
    Sandrine Perrin

    • Constructor Detail

      • StatisticsUtils

        public StatisticsUtils​(List<? extends Number> list)
        Public constructor, build a list of values used for compute statistics. Infinity values are ignored.
        Parameters:
        list - values

      • StatisticsUtils

        public StatisticsUtils​(Collection<? extends Number> list)
        Public constructor, build a list of values used for compute statistics. Infinity values are ignored.
        Parameters:
        list - values

      • StatisticsUtils

        public StatisticsUtils()
        Public constructor with a empty dataset.

    • Method Detail

      • getMean

        public Double getMean()
        Compute the mean for values.
        Returns:
        mean or NaN if no values have been added, or 0.0 for a single value set.

      • getMeanWithoutZero

        public Double getMeanWithoutZero()
        Compute the mean for values which are different of 0.
        Returns:
        mean or NaN if no values have been added, or 0.0 for a single value set.

      • getMedianWithoutZero

        public Double getMedianWithoutZero()
        Compute the median for values which are different of 0.
        Returns:
        median or NaN if no values have been added, or 0.0 for a single value set.

      • getMediane

        public Double getMediane()
        Compute the median for values.
        Returns:
        median or NaN if no values have been added, or 0.0 for a single value set.

      • getSum

        public Double getSum()
        Compute the sum of values.
        Returns:
        sum of values.

      • getStandardDeviation

        public Double getStandardDeviation()
        Compute the standard deviation for values.
        Returns:
        standard deviation or NaN if no values have been added, or 0.0 for a single value set.

      • getMeanToInteger

        public int getMeanToInteger()
        Compute the mean for values.
        Returns:
        mean or NaN if no values have been added, or 0.0 for a single value set.

      • getMeanWithoutZeroToInteger

        public int getMeanWithoutZeroToInteger()
        Compute the mean for values which are different of 0
        Returns:
        mean or NaN if no values have been added, or 0.0 for a single value set.

      • getMedianWithoutZeroToInteger

        public int getMedianWithoutZeroToInteger()
        Compute the median for values which are different of 0.
        Returns:
        median or NaN if no values have been added, or 0.0 for a single value set.

      • getMedianeToInteger

        public int getMedianeToInteger()
        Compute the median for values.
        Returns:
        median or NaN if no values have been added, or 0.0 for a single value set.

      • getSumToInteger

        public int getSumToInteger()
        Compute the sum of values.
        Returns:
        sum of values.

      • getStandardDeviationToInteger

        public int getStandardDeviationToInteger()
        Compute the standard deviation for values.
        Returns:
        standard deviation or NaN if no values have been added, or 0.0 for a single value set.

      • getMin

        public Double getMin()

      • getMax

        public Double getMax()

      • getDescriptiveStatistics

        public org.apache.commons.math3.stat.descriptive.DescriptiveStatistics getDescriptiveStatistics()
        Returns the instance of DescriptiveStatistics.
        Returns:
        instance of DescriptiveStatistics

      • getDescriptiveStatisticsWithZero

        public org.apache.commons.math3.stat.descriptive.DescriptiveStatistics getDescriptiveStatisticsWithZero()
        Returns the instance of DescriptiveStatistics which doesn't contain the value zero.
        Returns:
        instance of DescriptiveStatistics

      • printValuesWithoutZero

        public String printValuesWithoutZero()
        Print dataset.
        Returns:
        string of dataset

      • printValues

        public String printValues()
        Print dataset.
        Returns:
        string of dataset

      • getStandardDeviation

        public Double getStandardDeviation​(boolean isBiasCorrected)
        Compute the standard deviation for values.
        Parameters:
        isBiasCorrected - false per default
        Returns:
        standard deviation NaN if no values have been added, or 0.0 for a single value set.

      • addValues

        public void addValues​(Number number)
        Add values in dataset.
        Parameters:
        number - new values to put in dataset