Forecast Parameters
In general the parameter fields of a planning function control how the function handles data. In the case of forecasting, a large number of parameters are available.
A forecast strategy (11FCSTR) and any related parameters, and a time variable (TMVAR) that defines which periods of the past are to be used for the observed values, are obligatory parameters.
All other parameters are either always optional, or are only obligatory when used in connection with particular forecast strategies. You can leave out any optional parameters that you do not need.
The following table provides an overview of all available parameters and data elements. (The initial numbers are used to display the parameters in a suitable order.)
Parameters and data elements
Parameter |
Data element |
Description |
11FCSTR |
UPF_Y_FC_STR |
Forecast strategy (ID) |
12PERIO |
PERIO |
Periods per season |
13OUTL |
UPF_Y_OUTLIER_CORRECTION |
Outlier correction |
14SIGFAC |
UPF_Y_SIGMA_FACTOR |
Sigma factor for outlier correction |
15MAORD |
UPF_Y_MA_ORDER |
Order of moving average (length of interval) |
16GEWGR |
GEWGR |
Weighting group |
17TDAMP |
UPF_Y_TREND_DAMPENING |
Trend dampening factor |
18ALPHA |
UPF_E_ALPHA |
Smoothing factor alpha for the base value |
19BETA |
UPF_E_BETA |
Smoothing factor beta for the trend value |
20GAMMA |
UPF_E_GAMMA |
Smoothing factor gamma for the seasonal component |
21OPT |
UPF_Y_FC_OPT |
Optimization of smoothing parameters |
22OPTVAR |
UPF_Y_FC_OPT_VARIABLE |
Optimization variable (for example, MSE, MAPE) |
23ALPH_F |
UPF_Y_ALPHA_FROM |
Lower limit for alpha optimization |
24ALPH_T |
UPF_Y_ALPHA_TO |
Upper limit for alpha optimization |
25ALPH_S |
UPF_Y_ALPHA_STEPSIZE |
Step size for alpha optimization |
26BETA_F |
UPF_Y_BETA_FROM |
Lower limit for beta optimization |
27BETA_T |
UPF_Y_BETA_TO |
Upper limit for beta optimization |
28BETA_S |
UPF_Y_BETA_STEPSIZE |
Step size for beta optimization |
29GAMM_F |
UPF_Y_GAMMA_FROM |
Lower limit for gamma optimization |
30GAMM_T |
UPF_Y_GAMMA_TO |
Upper limit for gamma optimization |
31GAMM_S |
UPF_Y_GAMMA_STEPSIZE |
Step size for gamma optimization |
TMVAR |
UPC_Y_VARIABLE |
Time variable for defining the past periods used for the observed data |
KYFNM<nn> |
UPC_Y_KYFNM |
Forecast key figure, for example, z.B. KYFNM01 = 0AMOUNT |
<IOBJNM> |
UPC_Y_CHAVLINT<better appropriate data element for IO value> |
Reference characteristic value, for example, 0VERSION = "ACTUAL" |
REFRATIO |
UPC_Y_KYFNM |
Reference key figure (IO name) |
CHANM<nn> |
UPC_Y_CHANM |
Name of characteristic (for log only), for example, CHANM01 = 0MATERIAL |
DISREG |
UPF_Y_DISREG |
Skip zero values |
For more information on obligatory parameters, see Obligatory Forecast Parameters; for more information on parameters that are either always optional, or that are obligatory only when used in connection with a forecast strategy, see Optional Forecast Parameters.
See also: