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Schema location: httphttps://fewsfewsdocs.wldelftdeltares.nl/schemas/version1.0/performanceIndicatorSets.xsd
Performance Indicator module
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Lead time accuracy is evaluated using again the BIAS, MSE, or MAE or BIAS:
Lead time accuracy in Mean Square Error bias (mean error) LEAD_MSEBIAS
Lead time accuracy in bias Mean Square Error LEAD_BIASMSE
Lead time accuracy in Mean absolute error LEAD_MAE
where 
is the lead time accuracy at time 
, J is the number of forecasts considered, 
is the reference value at time and 
is the estimated value at time .
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- indicatorType : selection of performance indicator. Enumeration of options includes:
- bias
- meanabsoluteerror
- meansquareerror
- nashsutcliffeefficiency
- peakmeansquareerror
- volumeerror
- calculatedVariableId : VariableId to identify calculated time series
- observedVariableId : VariableId to identify observed (reference) time series
- outputVariableId : VariableId to write resulting Performance index time series to.
- sampleOutputVariableId : VariableId to write total number of values (samples) used for the analysis to the output time series. Optional.
- analysedCalculatedVariableId : VariableId to write exactly that part of the calculated series, which was used for the analysis, to the output series. Optional .
- analysedObservedVariableId : VariableId to write exactly that part of the observed series, which was used for the analysis, to the output series. Optional .
leadTimeAccuracyIndicator
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- indicatorType : selection of performance indicator. Enumeration of options includes;
- bias
- meanabsoluteerror
- meansquareerror
- calculatedVariableId : VariableId to identify calculated time series
- observedVariableId : VariableId to identify observed (reference) time series
- outputVariableId : VariableId to write resulting Performance index time series to
- sampleOutputVariableId : VariableId to write total number of values (samples) used for the analysis to the output time series. Optional. NOTE: this option is not supported by all assessment types. In that case, there will be a nullpointer error.
- intermediateValuesVariableId : VariableId to write intermediate values (as visible in log file if debug is on) to the output series. Optional and only applicable if leadTimePeriods are configured.
- analysedCalculatedVariableId : VariableId to write exactly that part of the calculated series, which was used for the analysis, to the output series. Optional and only applicable if leadTimePeriods are configured.
- analysedObservedVariableId : VariableId to write exactly that part of the observed series, which was used for the analysis, to the output series. Optional and only applicable if leadTimePeriods are configured.
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- start : start of the period in number of time units from the forecast time of the calculated time series. The time units are configured with the attribute 'unit'
- end : end of the period in number of time units from the forecast time of the calculated time series. The time units are configured with the attribute 'unit'
- outputVariableId: variableId to output lead time accuracy to. This is defined when a separate time series is defined to keep track of performance at different lead time periods. It is not required when keeping track of performance in a single time series
- sampleOutputVariableId : variableId to output number of samples used in this lead time period. This is defined when a separate time series is defined to keep track of performance at different lead time periods. It is not required when keeping track of performance in a single time series
Figure 137 Elements of the thresholdTimingAccuracy configuration.
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