STATBEAN Name: TimeSeriesAdjustments
Purpose: Applies various adjustments to a time series. Allows Statgraphics to perform seasonal time series data analysis adjustments.
| Name | Type | Description | Possible Values | Default Value |
| boxcoxAddend | double | The amount to add to each value for a BoxCox transformation (or 0.0 for log). | Any double. | 0.0 |
| boxcoxPower | double | The power for a BoxCox transformation (or 0.0 for log). | Any double. | 1.0 |
| inflationAdjustment | String | When during each time period to apply adjustment. | "None","End","Middle" | "None" |
| inflationPercentage | double | The percentage rate to apply. | Any double | 0.0 |
| mathAdjustment | String | Type of adjustment to apply. | "None","LOG","LOG10","SQRT", "RECIPROCAL","POWER","BOXCOX" |
"None" |
| mathPower | double | The power for a power transformation. | Any double. | 1.0 |
| nonseasonalDifferencing | int | Order of differencing to apply. | 0-4 | 0 |
| replaceMissingValues | boolean | Replace any missing values within time time series. | true,false | true |
| samplingInterval | double | The length of time between consecutive data values. | Any double > 0.0 | 1.0 |
| seasonalAdjustment | String | Type of adjustment to apply. | "None","Multiplicative","Additive" | "None" |
| seasonalDifferencing | int | Order of differencing to apply. | 0-4 | 0 |
| seasonalLength | int | The number of time periods comprising a season. | 1+ | 1 |
| startTime | String | The value of time associated with row 1. | Any string resulting in the proper type of value. | "1.0" |
| timeScale | String | The type of time units. | "Year","Quarter","Month","Day", "Hour","Minute","Second","Other" |
"Other" |
| timeSeriesVariableName | String | The name of the column with data values to be plotted. | Any string. | "" |
| trendAdjustment | String | Type of adjustment to apply. | "None","Linear","Quadratic", "Exponential","SCurve" |
"None" |
| Name | Description | Arguments | Return Value |
| double getAdjustedData(int row) | Returns the adjusted values. | Row index (0 origin). | Adjusted value. |
| int getNumberOfMissingValuesReplaced() | Returns the number of missing values replaced with estimates. | None. | Number replaced. |
| double getOriginalData(int row) | Returns the original values. | Row index (0 origin). | Original value. |
| Name | Description |
| Adjusted Data | Adjusted data values. |
Seasonal Time Series Data Analysis Code Sample
- see TimeSeriesPlot.

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