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{title:Title}

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{bf:gini_mean_difference} --- Compute the Gini mean difference.

{title:Syntax}

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{bf:gini_mean_difference} varname [if] [in]

{title:Description}

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This command computes the Gini mean difference.

{title:Example}

getvdata nhgh

gini_mean_difference gh

{title:Acknowledgment}

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This funtion is a wrapper of the {it:lmoments} command written by Nicholas J. Cox.