private void predictButton_Click(object sender, EventArgs e)
        {
            chart2.Series["Total"].Points.Clear();

            PredictUsage pu = new PredictUsage();

            double[] totalMean = pu.TotalCalculations(eventsData);

            for (int i = 0; i < totalMean.Length; i++)
            {
                chart2.Series["Total"].Points.AddXY(i, totalMean[i]);
            }
        }