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This function extracts unique points from a spatio-temporal point pattern on a linear network.
# S3 method for stlpp
unique(x,...)A spatio-temporal point pattern on a linear network with no duplicated point.
a spatio-temporal point pattern of class stlpp
arguments for unique
Mehdi Moradi <m2.moradi@yahoo.com>
This function extracts unique points from a spatio-temporal point pattern on a linear network.
Moradi, M., & Mateu, J. (2020). First-and second-order characteristics of spatio-temporal point processes on linear networks. Journal of Computational and Graphical Statistics, 29(3), 432-443.
X <- rpoistlpp(0.1,0,5,L=easynet)
df <- as.data.frame(X)
df_dup <- df[sample(nrow(df), 20,replace = TRUE), ]
Y <- as.stlpp(df_dup,L=easynet)
npoints(Y)
npoints(unique(Y))
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