gini_access: Compute the Gini coefficient for a raster
In transportfoundry/tvmeasures: Transit Vision Evaluation Measures

Compute the Gini coefficient for a raster

1	gini_access(tiff, weight_tiff = NULL, ...)

tiff

A Conveyal tiff with accessibility scores.

weight_tiff

A Conveyal raster layer containing origin-side opportunities to use for weighting.

...

Arguments passed on to ineq::ineq

x: a vector containing at least non-negative elements
parameter: parameter of the inequality measure (if set to NULL the default parameter of the respective measure is used)
type: character string giving the measure used to compute inequality. must be one of the strings in the default argument (the first character is sufficient). defaults to "Gini".
na.rm: logical. Should missing values (NAs) be removed prior to computations? If set to FALSE the computations yield NA.

The [Gini coefficient](https://en.wikipedia.org/wiki/Gini_coefficient) is a measure of inequality usually applied to income. In the case of transit accessibility, Gini values closer to 1 imply that some areas have high-quality access while most have none. This serves as a wrapper to ineq

transportfoundry/tvmeasures documentation built on May 22, 2019, 10:57 p.m.