plotres {urca} | R Documentation

## Graphical inspection of VECM residuals

### Description

The function `plotres` should be used for graphical inspection of the VAR residuals, i.e. the estimated specification as elaborated in the `Details' section of `ca.jo`. It displays the residuals for each equation within a VAR and their acf's and pacf's.

### Usage

    plotres(x)

### Arguments

`x` | Object of class `ca.jo'.

### Author(s)

Bernhard Pfaff

### References

Johansen, S. and Juselius, K. (1990), Maximum Likelihood Estimation and Inference on Cointegration – with Applications to the Demand for Money, Oxford Bulletin of Economics and Statistics, 52, 2, 169–210.

### See Also

`ca.jo` and `ca.jo-class`.

### Examples

    data(denmark)
    sjd <- denmark[, c("LRM", "LRY", "IBO", "IDE")]
    sjd.vecm <- ca.jo(sjd, ecdet="const", type="eigen", K=2, spec="longrun",
    season=4)
    plotres(sjd.vecm)

[Package urca version 1.2-3 Index]