creates an aggregator that computes the difference between successive data points . concode_field_sep String text concode_field_sep SamplingAggregator createStandardDeviationAggregator concode_elem_sep SamplingAggregator createDataGapsMarkingAggregator concode_elem_sep CustomAggregator createScaleAggregator concode_elem_sep CustomAggregator createTrimAggregator concode_elem_sep SamplingAggregator createMinAggregator concode_elem_sep SamplingAggregator createLeastSquaresAggregator concode_elem_sep SamplingAggregator createSumAggregator concode_elem_sep SamplingAggregator createFirstAggregator concode_elem_sep SamplingAggregator createMaxAggregator concode_elem_sep SamplingAggregator createLastAggregator concode_elem_sep CustomAggregator createCustomAggregator concode_elem_sep SamplingAggregator createCountAggregator concode_elem_sep RateAggregator createRateAggregator concode_elem_sep CustomAggregator createDivAggregator concode_elem_sep String toString concode_elem_sep PercentileAggregator createPercentileAggregator concode_elem_sep CustomAggregator createSaveAsAggregator concode_elem_sep SamplingAggregator createAverageAggregator concode_elem_sep Aggregator createSamplerAggregator
Aggregator function ( ) { return new Aggregator ( "srini_string" ) ; }