Previous observed Value in Industrial Engineering Formulas

The Previous observed Value is the real value from data at time t-1 based on which predictions will be made. And is denoted by D_t-1.

Industrial Engineering formulas that make use of Previous observed Value

fxSingle Exponential SmoothingGo

What is the Previous observed Value?

The Previous observed Value is the real value from data at time t-1 based on which predictions will be made.

Can the Previous observed Value be negative?

{YesorNo}, the Previous observed Value, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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