| Long Term Adjustments Window | |
This window allows you to create one or more long-term adjustments. To access this window, choose from the menu.
Use the Add, Remove, and up and down buttons to add, remove, and re-order the long-term adjustments.
The table below identifies the key properties of a long-term adjustment:
| Variable | Description |
|---|---|
| Target dataset | The dataset that you wish to adjust to reflect long-term conditions. |
| Reference dataset | The dataset that you wish to use to represent long-term conditions. This is typically a dataset with a longer period of record than the target dataset. |
| Time step of comparison | The length of time step to which both the target and reference datasets are resampled for comparison and calculation of regressions. |
| Concurrent period limitation | An optional date range subset of the onsite-reference overlap period to be used to characterize the relationship of onsite to reference data. By default, the process uses all concurrent data in the overlap period, but you can restrict that period if you wish. For example, if the datasets overlap by 16 months, you may wish to use only 12 months of that overlap period, so that the concurrent data, and the regressions that result, are not seasonally biased. |
| Description | An optional description field that you can use to distinguish one adjustment from another. |
The Long Term Adjustments window contains several tabs that allow you to compare the onsite and reference datasets, set additional properties of the adjustment, and synthesize a new adjusted dataset.
| Subordinate Tab | Description |
|---|---|
| Onsite vs. Reference | Lets you choose one onsite and one reference dataset, and compare them. |
| Correlate Speed | Lets you choose from (and test) multiple algorithms to correlate speed. |
| Correlate Direction | Lets you set the properties of the direction correlation algorithm. |
| Correlate Temperature | Lets you set the properties of the temperature correlation algorithm. |
| Synthesize Data | Lets you extend or scale the primary onsite dataset to make it reflect long-term conditions. |
Tip: The Long Term Adjustments window replaces both WindographerMCP module and the Measure Correlate Predict module of Windographer 4. You can access this window only if you have the Professional or higher edition of Windographer. Please visit www.windographer.com for information on the pricing and capability of each edition.
See also