A period chart is used to compare trend logs over different time periods.
The trend logs in the chart can be displayed as bar, area, curve, and line. You can change the colors of the trend logs, the calculation method, and the color. You can also change the minimum and maximum value on the Y-axis and the period that is displayed in the chart.
The values of the trend chart can be calculated. Более подробную информацию см. Calculation Methods .