search for: yourtimevector

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2012 Mar 14
1
How to extend a slot of a class?
Hej hej, is there a way to extend the SpatialPointsDataFrame data slot?This is the structure of an object of it:> str(coord) Formal class 'SpatialPointsDataFrame' [package "sp"] with 5 slots ..@ data :'data.frame': 214 obs. of 2 variables: .. ..$ location.long: num [1:214] -79.8 -79.8 -79.8 -79.8 -79.8 ... .. ..$ location.lat : num [1:214] 9.16 9.16 9.16