Method meanVector

JSAT/src/jsat/linear/MatrixStatistics.java:27–35

Computes the mean of the given data set. @param the vector type @param dataSet the list of vectors to compute the mean of @return the mean of the vectors

(List<V> dataSet)

     * @return the mean of the vectors 
     */
    public static <V extends Vec> Vec meanVector(List<V> dataSet)
    {
        if(dataSet.isEmpty())
            throw new ArithmeticException("Can not compute the mean of zero data points");
        
        Vec mean = new DenseVector(dataSet.get(0).length());
        meanVector(mean, dataSet);
        return mean;
    }
    
    /**
     * Computes the weighted mean of the given data set.