When using Area Threshold Type, this setting will be one of two points that will determine the boundaries of the threshold area, the other being To-Value.
When using Change Threshold Type, From-Value (this setting) will be compared against To-Value. If To-Value is larger than From-Value, the threshold will indicate a positive change. Conversely, if To-Value is smaller than From-Value, it will be displayed as a negative change.
Select the value type that is used to determine the From-Value.
- Constant: This setting will reveal a From-Value field where you can manually enter a numerical value where you wish to place the threshold.
- First: From-Value will be placed at the first value in From-Series in order of the appearance on the chart.
- Last: From-Value will be placed at the last value in From-Series in the order of appearance on the chart.
- Minimum: From-Value will be placed at the smallest value in From-Series.
- Maximum: From-Value will be placed at the largest value in From-Series.
- Average: From-Value placement will be determined by calculating the mean value of From-Series.
- Median: From-Value placement will be determined by calculating the median (middle value) of From-Series.
- Percentile: Enter a percentage in the From-Percentage field and the visual will place From-Value at a point that is above x% of data points in the From-Series. (Example - if the series has 10 visible data points, entering 70% will place From-Value at a value that is higher than 7 of the data points.)
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