Hello this is my code and then i show you the result...please how i reapir this error...thanks lot off library(igraph) ################################################# # Lecture du fichier 0. edges MyGraphData <- read.graph ( file = "0.edges" , directed = FALSE ) # Nombre de noeuds dans le graphe Nb_noeuds <- vcount ( MyGraphData ) Nb_noeuds # [1] 348 # Pour enlever les doublons et les boucles dans le graphe MyGraphData <- simplify ( MyGraphData , remove.multiple = TRUE , remove.loops = TRUE ) # Nombre d ' arrêtes dans le graphe Nb_arretes <- ecount ( MyGraphData ) Nb_arretes # [1] 2519 # Structure hiérarchique des noeuds cluster <- edge.betweenness.community ( MyGraphData ) cluster # > cluster # # les noeuds dans chaque communauté # IGRAPH clustering edge betweenness, groups: 51, mod: 0.42 # + groups: # $`1` # [1] 1 # # $`2` # [1] 2 25 49 54 58 74 81 93 95 102 127 131 181 188 192 195 197 205 243 250 255 267 300 # [24] 301 303 331 347 # # $`3` # [1] 3 15 18 20 21 29 33 42 45 94 112 113 116 117 138 139 141 145 150 152 163 168 175 # [24] 215 217 221 227 244 263 280 290 294 306 311 313 327 334 338 344 # + ... omitted several groups/vertices # fc <- cluster_fast_greedy(MyGraphData) # plot_dendrogram(fc) # Visualisation plot_dendrogram (cluster ) Error in if (any(DF[A, ] != DF[B, ])) { : missing value where TRUE/FALSE needed
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