circular {sphet} | R Documentation |
The function generates k-ahead and k-behind weighting matrices as in Kelejian and Prucha (1999)
circular(nrow, ncol, ab)
nrow |
number of rows |
ncol |
number of columns |
ab |
ahead - behind |
An object of class nb
.
Gianfranco Piras gpiras@mac.com
ab.4<-circular(10, 10, 3)