migration.acv {migration.indices}

Aggregated System-wide Coefficient of Variation

Description

The Aggregated System-wide Coefficient of Variation is simply the sum of the Aggregated In-migration (migration.acv.in) and the Aggregated Out-migration Coefficient of Variation (migration.acv.out).

Usage

migration.acv(m)

Arguments

m

migration matrix

Value

A number where a higher (\neq 0) shows more spatial focus.

References

• Andrei Rogers and Stuart Sweeney (1998) Measuring the Spatial Focus of Migration Patterns. The Professional Geographer 50, 232–242

See Also

migration.cv.in migration.cv.out migration.acv.in migration.acv.out

Examples

data(migration.hyp)
migration.acv(migration.hyp)    # 0.3333333
migration.acv(migration.hyp2)   # 0.375