Description Usage Arguments Details References Examples
Given a bipartite graph , a two phase resource transfer Information from X(x,y,z) set of nodes gets distributed to Y set of nodes and then again goes back to resource X. This process allows us to define a technique for the calculation of the weight matrix W. if the similarity matrices are not provided it uses bipartite graph to compute netowrk based inference .
1 2 |
A |
Adjacency Matrix |
alpha |
Tuning parameter (value between 0 and 1) to adjust the performance of the algorithm. |
lamda |
Tuning parameter (value between 0 and 1) which determines how the distribution of resources takes place in thesecond phase |
s1 |
Target Similarity matrix |
s2 |
Chemical Similarity Matrix |
format |
type of file as Adjacnency file |
Network based inference on Bipartite networks
Cheng F, et al. Prediction of drug target interactions and drug repositioning via network-based inference. PLoS Comput. Biol. 2012;8:e1002503.
Zhou T, et al. Solving the apparent diversity-accuracy dilemma of recommender systems. Proc. Natl Acad. Sci. USA 2010;107:4511-4515.
Zhou T, et al. Bipartite network projection and personal recommendation. Phys. Rev. E Stat. Nonlin. Soft Matter Phys. 2007;76:046115.
Blog post from Abhik Seal http://data2quest.blogspot.com/2015/02/link-prediction-using-network-based.html
1 2 3 4 5 6 7 8 | data(Enzyme)
A <- t(enzyme_ADJ)
S1 = as.matrix(enzyme_Csim)
S2 = as.matrix(enzyme_Gsim)
g1 = upgrade_graph(graph.incidence(A))
## other format available \code{format = c("igraph","matrix","pairs")}
M2 <- nbiNet(A,alpha=0.5, lamda=0.5, s1=S1, s2=S2,format = "matrix")
M3 <- nbiNet(A,alpha=0.5,lamda=0.5,format="matrix")
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