duplicatesexclude: Exclude duplicate point records per species per grid cell
In biogeo: Point Data Quality Assessment and Coordinate Conversion

When there is more than one point record per grid cell for a species then the duplicates will be excluded. The grid cell size is specified by res.

1	duplicatesexclude(dat,res)

`dat`	a dataframe containing fields with the following names: ID, x, y, Species and Exclude
`res`	the spatial resolution in minutes

a dataframe in which values in the column Exclude are set to 1 when records represent duplicates for that species in a particular grid cell.

Mark Robertson and Vernon Visser

addmainfields, renamefields, keepmainfields, checkdatastr

1	a<-duplicatesexclude(dat,res=10)

biogeo documentation built on May 1, 2019, 8:05 p.m.

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