R: Beveridge Wheat Price Index, 1500-1869.

bev {tseries} | R Documentation

## Beveridge Wheat Price Index, 1500–1869.

### Description

Contains the well-known Beveridge Wheat Price Index which gives annual price data from 1500 to 1869, averaged over many locations in western and central Europe.

### Usage

    data(bev)

### Format

A univariate time series with 370 observations. The object is of class `"ts"`.

### Details

This data provides an example of long memory time series which has the appearance of being nonstationary in levels and yet also appears overdifferenced. See, e.g., Baillie (1996).

### Source

Time Series Data Library: https://robjhyndman.com/TSDL/

### References

R. T. Baillie (1996): Long Memory Processes and Fractional Integration in Econometrics. Journal of Econometrics, 73, 5–59.

[Package tseries version 0.10-47 Index]