search for: mstree

hello, i have some problems with mstree! there are no similar function in R like in S-Plus! Is there somebody who has a code in R ???? Thanks

Here are the functions documented in the Blue Book that I found missing in R (ignoring the ones which are obviously outdated). aggregate allocated amatch axes chull clorder cutree cycle date debugger dget discr faces interp l1fit labclust lag loglin monthplot mstree mulbar napsack odometer persp plclust plotfit rep.int restore rreg sabl sablplot set.seed smooth sort.list Stable stars starsymb storage subtree symbols tempfile tslines tsmatrix tsplot tspoints twoway unlink usa xor In some detail: aggregate cycle lag smooth tslines tsmatrix tsplot tspoints:...

Hello the R people. I'd like to calculate shortest distances between cities in one area from cities' coordinates. For this purpose, Splus has a function, "mstree" for calculating minimum spring tree. But for R, I couldn't find similar function. It seems that R has little function for OR(Operational Research). Does anyone know about availability of this method in R? -------------- next part -------------- An HTML attachment was scrubbed... U...

hi,friends, we all know that moran's I index and Geary'C index can be used to test spatial autocorrelation in both the area data and point data, but i only can find something on how to calculate on the data of area, and can't find the methods to perform it on the point data, could anybody give me some information, thanks in advance! -- Kind Regards, Zhi Jie,Zhang ,PHD Department of