SAP Knowledge Base Article - Public

2768235 - Only 1 period is available for Forecast Periods slider in Additional Forecast Input when Running a Forecast in a Time Series Chart in SAP Analytics Cloud (SAC)

Symptom

  • Only 1 period is available for Forecast Periods slider in Additional Forecast Input when Running a Forecast in a Time Series Chart  in SAP Analytics Cloud (SAC) 

Environment

  • SAP Analytics Cloud 2019.6.0

Reproducing the Issue

  1. Log on to SAC tenant.
  2. Create a new story with Time Series chart on sample model [BestRunJuice_SampleModel].
  3. Select [Gross Margin] as Measures axis and [Date] as Time axis.
  4. Filter on [Date] dimension to select all 12 months in year [2016] only.
    => The value of 12 months in year [2016] will be shown in the chart (12 data points).
  5. Choose Add Forecast icon from action menu and then select any one of forecast method (Automatic Forecast, Linear Regression, Triple Exponential Smoothing).
    => Once the forecast is performed, a color-coded Forecast link is displayed above the chart.
  6. Click the Forecast link to show a Forecast Periods slider for the number of displayed periods.
    => Only 1 period is available for the slider.
    => This could be reproduced too by selecting Additional Forecast Input from action menu to show a Additional Forecast Input panel on the right.

Cause

  • The number of data points shown in the chart only support to perform the forecast in one period.
  • To provide a useful forecast, we limit the number of forecasts available based on the actual data. The number of forecasts offered is calculated as shown.
    forecast period.png
  • Example: 
    => if you have 24 data points, the number of forecasts offered is: (24 – 8) ÷ 4 = 4.
    => if you have 25 data points, the number of forecasts offered is: (25 – 8) ÷ 4 > 4 -> 5 (round up to the nearest integer).
  • You can find more detail from blog: Your Guide to Time Series Forecasting in SAP Analytics Cloud.

Resolution

  • Remove the filter to include more data points to the chart.

See Also

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Keywords

SAP Cloud for Planning, sc4p, c4p, cforp, cloudforplanning, EPM-ODS, Cloud for Analytics, Cloud4Analytics, CloudforAnalytics, Cloud 4 Planning, BOC, SAPBusinessObjectsCloud, BusinessObjectsCloud, BOBJcloud, BOCloud., SAC, SAP AC, Cloud-Analytics, CloudAnalytics, SAPCloudAnalytics, time, series, chart, predict, predictive, forecase, smart, period, periods, additional, time , KBA , LOD-ANA-PR , SAP Analytics Cloud – Predictive (BOC) , Problem

Product

SAP Analytics Cloud 1.0