Simple Exponential Smoothing

Simple Exponential Smoothing

To use Simple Exponential Smoothing, go to Forecasting > Modeling, and select Simple Exponential Smoothing. Use the drag-and-drop method or double-click to use the algorithm on the canvas. Click the algorithm to view and select different properties for analysis.


Properties of Simple Exponential Smoothing

The available properties are shown in the figure below.



The table below describes the different fields present in the properties of Simple Exponential Smoothing.

Field

Description

Remark

Run

It allows you to run the node.

Explore

It allows you to explore the successfully executed node.


It displays the following options in the list view.

  • Run till node
  • Run from node
  • Publish as model
  • Publish as code

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Task Name

It is the name of the task selected on the workbook canvas.

  • You can click the text field to edit or modify the task's name.
  • Space between words is not allowed in the Task Name.

Time ID Variable

It allows you to select the interval type variable for which you need to process the dependent or target variable's values.

  • It allows you to select the interval type variable for which you need to process the dependent or target variable's values.
  • Only one data field can be selected.
  • If selected, only an interval type variable should be selected.
  • Variables with numerical value are not available.

Target Variable

It allows you to select the experimental or predictor variable(s).

  • Only one data field can be selected.
  • Variables with only numerical values are available.

Group By

It allows you to select the variable for which you want to group the data.

  • Only one data field can be selected.
  • Only categorical type variables are available.

Initialization Method

It determines how the initial forecast is calculated before the smoothing process begins.

  • Available options are:
    • None
    • estimated
    • heuristic
    • legacy-heuristic
    • known
  • The default value is None.

Interval

It allows to select the interval for the accumulation of data in the accumulation test.

  • Available options are –
    • Day
    • Week
    • Month
    • Quarter
    • Year
  • The default value is Month.

Number of Periods for Forecasting

It allows you to select a specific number of periods you want to forecast based on the results.

  • By default, the number of periods selected is one (1).
  • You can select any integral number of periods as required.

Smoothing Level

It determines the weight given to the most recent observation when generating forecasts.

  • By default, the number of periods selected is one (1).
  • Preferred values are 0 to 1.

Example of Simple Exponential Smoothing

Consider a "Unit_Production" dataset with 30 records. It contains columns for Date, Number of Production, and the Name of Supervisor. A snippet of the input data is shown in the figure given below.



We apply the Train Test Split on the input data and then connect Simple Exponential Smoothing to the Train Test Split algorithm.



The selected values for Simple Exponential Smoothing are given below.

Property

Value

Time ID Variable

Date

Target Variable

No of Production

Group By

Name of Supervisor

Initialization Method

estimated

Interval

Day

Number of Periods for Forecasting

5

Smoothing Level

1




Further, the Result page displays

  • Forecasting Chart with actual values and forecasted values
  • Trained Model Parameters
  • Accuracy parameters




Similarly, you can change the Supervisor Name from the Select Group field and obtain the corresponding plots.


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