Hello Everyone, I am currently trying to complete the simple task of converting a SpatialLinesDataFrame to PSP so that I can do kernel density estimation on the line pattern (density.psp). When I do this, however, I get an error that does not allow me to proceed. Here is the code I am using (along with the error):
> rm(list=ls(all=TRUE)) > library(spatstat) # spatial tools > ## Read in road data > setwd("~/Dropbox/Spatial_Project/Hot_Spots_Civil_Conflict/Data/SierraLeone_roads/") > SierraLeone.roads <- readShapeLines("Sierra_Leone_highway", repair=T) > plot(SierraLeone.roads) > SierraLeone.psp <- as.psp(SierraLeone.roads) Error in as.data.frame.vector(x, ..., nm = nm) : formal argument "nm" matched by multiple actual arguments I have not worked with line data much so any assistance would be greatly appreciated. -- Bryce W. Reeder University of Illinois, Urbana-Champaign PhD Student - Department of Political Science Editorial Assistant, International Interactions Office: David Kinley Hall, Room 323 Email: reed...@illinois.edu [[alternative HTML version deleted]] _______________________________________________ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo