IRIS Toolbox Reference Manual

## ews

Exponential smoothing

#### Syntax

    X = expsmooth(X,Beta,...)

#### Input arguments

- `X` [ tseries ] - Input time series.

- `Beta` [ numeric ] - Exponential factor.

#### Output arguments

- `X` [ tseries ] - Exponentially smoothed series.

#### Options

- `'init='` [ numeric | `NaN` ] - Add this value before the first observation to initialise the smoothing.

- `'log='` [ `true` | `false` ] - Logarithmise the data before filtering, de-logarithmise afterwards.

#### Description

#### Examples

IRIS Toolbox. Copyright © 2007—2013 Jaromir Benes.