migration.gini.row.standardized | R Documentation |

The standardized version of the Rows Gini Index (`migration.gini.row`

) by dividing that with the Total Flows Gini Index (`migration.gini.total`

):

*G^{T*}_R = 100\frac{G^T_R}{G^T}*

As this index is standardized, it "facilitate comparisons from one period to the next of the rows" indices.

migration.gini.row.standardized(m, gini.total = migration.gini.total(m, FALSE))

`m` |
migration matrix |

`gini.total` |
optionally pass the pre-computed Total Flows Gini Index to save computational resources |

A percentage range from 0% to 100% where 0% means that the migration flows are uniform, while a higher value indicates spatial focusing.

David A. Plane and Gordon F. Mulligan (1997) Measuring Spatial Focusing in a Migration System.

*Demography***34**, 251–262

`migration.gini.row`

`migration.gini.col.standardized`

data(migration.hyp) migration.gini.row.standardized(migration.hyp) # 0 migration.gini.row.standardized(migration.hyp2) # 11.11111

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