search for: mathgraph

Displaying 5 results from an estimated 5 matches for "mathgraph".

2005 Oct 11
0
Set Covering Problem (SCP) (in mathgraphs)
Dear All, Can I solve a "Set Covering Problem" (in a mathgraph) using R? Which package should I use for that? Thank you in advance. Sara Maltez Mouro [[alternative HTML version deleted]]
2007 Nov 13
2
connection diagram
Hi I am practically new to R, and need to construct connection diagrams, I have a table of data, of nodes in vertical rows, and horizontally the number of outgoing connections to other nodes, and the indices of these nodes, each in a column, so some columns are used, and some are not, based on how many connections I have the node is identified by these variables (dimension, wave number,
2007 Mar 16
1
Implementing trees in R
Hi all, I am rather new to R. Recently I have been trying to implement some tree algorithms in R. I used lists to model tree nodes. I thought something like this would work: parent <- list(); child <- list(); parent$child1 <- child; child$parent <- parent; When I tried to check whether a node is its parent's first child using "if
2008 Jul 19
2
Non-linearly constrained optimisation
Dear R Users, I am looking for some guidance on setting up an optimisation in R with non-linear constraints. Here is my simple problem: - I have a function h(inputs) whose value I would like to maximise - the 'inputs' are subject to lower and upper bounds - however, I have some further constraints: I would like to constrain the values for two other separate function f(inputs) and
2007 Mar 26
1
Problem in loading all packages all at once
...ot;,"lspls","ltm","maanova","magic","mapLD","mapproj","maps","maptools","maptree","mAr","marg","MarkedPointProcess","MASS","Matching","MatchIt","mathgraph","matlab","Matrix","maxstat","MBESS","mblm","mcgibbsit","mclust","mcmc","MCMCpack","mda","MEMSS","merror","meta","methods","mfp","mgcv&quot...