Method setAlpha

JSAT/src/jsat/classifiers/linear/SDCA.java:198–204

Using α = 1 corresponds to pure L 1 regularization, and α = 0 corresponds to pure L 2 regularization. Any value in-between is then an Elastic Net regularization. @param alpha the value in [0, 1] for determining the regularization penalty's interpolation between pure

(double alpha)

     * regularization. 
     */
    public void setAlpha(double alpha)
    {
        if(alpha < 0 || alpha > 1 || Double.isNaN(alpha))
            throw new IllegalArgumentException("alpha must be in [0, 1], not " + alpha);
        
        this.alpha = alpha;
    }

    /***
     *