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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]]

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,

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

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

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