I need to look into the code for "dnearneigh" so that I could get an idea of
how to make weight matrices for any observation (i) based on some criteria.
But a look into the spdep pack pointed me to the "spdep.dll". Probably
written in some other languages. So I guess my question is how can I see the
actual code for this and indeed other functions.

[The only answer I got by searching close to my problem is the answer by
Prof. Bivand on the "lag.listw":
http://r-sig-geo.2731867.n2.nabble.com/lag-listw-function-in-spdep-package-td2762785.html
which belongs to 2006. ]

-- 
Ebrahim Jahanshiri
Spatial and Numerical Laboratory
Institute of Advance Technology
Universiti Putra Malaysia
43300, Serdang, Selangor

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