func NewWhisperAggregation() *WhisperAggregation {
	return &WhisperAggregation{
		Data: make([]*whisperAggregationItem, 0),
		Default: &whisperAggregationItem{
			name:                 "default",
			pattern:              nil,
			xFilesFactor:         0.5,
			aggregationMethodStr: "average",
			aggregationMethod:    whisper.Average,
		},
	}
}
func NewWhisperAggregation() *WhisperAggregation {
	return &WhisperAggregation{
		Data: make([]*whisperAggregationItem, 0),
		Default: &whisperAggregationItem{
			name:                 "default",
			pattern:              nil,
			xFilesFactor:         0.5,
			aggregationMethodStr: "average",
			aggregationMethod:    whisper.Average,
		},
	}
}
// NewWhisperAggregation create instance of WhisperAggregation