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Ingrid:
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HTMLwords
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Features Political Africa Provinces[country_na
prov_na
label
the_geom
]
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grid: /feature_id (unitless) ordered [ (1) (2) (3) ... (251010)] N= 670 pts :grid
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$partialdiff sub feature_id$ [ Features Political Africa Provinces prov_na ][ | feature_id]
|