public Double evaluate()

in core/src/main/java/org/apache/commons/functor/aggregator/functions/DoubleMeanValueAggregatorFunction.java [38:50]

• 12 lines of code
• 4 McCabe index (conditional complexity)

    public Double evaluate(List<Double> data) {
        if (data == null || data.size() == 0) {
            return null;
        }
        double mean = 0.0;
        int n = data.size();
        for (Double d : data) {
            mean += d.doubleValue();
        }
        mean /= n;

        return mean;
    }