Extending STIDF class : cannot creat an empty STIDF object
Thank you for your reply, Edzer, I am not very profficient at R OO programming so If you don't mind, can you then suggest me a way to deal with the situation? My second class sometimes does not have data, I need to be able to create objects inherited from an emtpy STIDF class. any suggestions? -- View this message in context: http://r-sig-geo.2731867.n2.nabble.com/Extending-STIDF-class-cannot-creat-an-empty-STIDF-object-tp7583841p7583843.html Sent from the R-sig-geo mailing list archive at Nabble.com.