IRIS Toolbox Reference Manual

## windex

Simple weighted or Divisia index

#### Syntax

    Y = windex(X,W,Range)

#### Input arguments

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

- `W` [ tseries | numeric ] - Fixed or time-varying weights on the input time series.

- `Range` [ numeric ] - Range on which the Divisia index is computed.

#### Output arguments

- `Y` [ tseries ] - Weighted index based on `X`.

#### Options

- `'method='` [ 'divisia' | 'simple' ] - Weighting method.

- `'log='` [ `true` | `false` ] - Logarithmise the input data before computing the index, delogarithmise the output data.

#### Description

#### Example

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