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è¿é Rã®igraphããã±ã¼ã¸ã§éãã§ããã ãã©å²ã¨é¢ç½ãã®ã§ä½¿ãæ¹ãå¿ããªããã¡ã«ã¡ã¢ã£ã¦ããï¼ ã°ã©ãã¯ããããããæ¹ãç解ãããããã ãã©ã¨ããããä»åã¯ã°ã©ããªãã¸ã§ã¯ãã®ä½æã¨è¦ç´ ã¸ã®ã¢ã¯ã»ã¹ã¨ããã®è¾ºï¼ããããã¯æ¬¡åï¼ ã°ã©ãã£ã¦ä½ãã¨ãç¨èªã®æå³ã¨ãã¯ã°ã©ãçè« - Wikipediaï¼ ã°ã©ããªãã¸ã§ã¯ãã®ä½æ åºæ¬ ã¨ãã¸ããã¯ãã«ã«ã¾ã¨ãã¦graph()é¢æ°ã«ä¸ãããã¨ã§ã°ã©ããªãã¸ã§ã¯ããä½æãããï¼ããã©ã«ãã§æåã°ã©ãï¼æåï¼ç¡åã®å¶å¾¡ã¯å¼æ°directedã«TRUEãFALSEãä¸ãããã¨ã§å¯è½ï¼ã«ã¼ããå¤éã¨ãã¸ãå«ããäºãã§ããï¼ > ## ã¨ãã¸ã®ä¸è¦§ãgraph()é¢æ°ã«ä¸ãã > edge <- c(0,1, 0,2, 0,3, 1,2, 2,2, 1,3, 1,3) > g <- graph(edge, directed=FALSE) > g Ver
ãã©ã è¤éç³»ãããã¯ã¼ã¯ ã¯ã©ã¹ã¿ã¼ä¿æ°ã®è¨ç® ç¡åã°ã©ãã«ããããããã¼ãã®ã¯ã©ã¹ã¿ã¼ä¿æ°ã¨ã¯ããã®ãã¼ãã¨ï¼ç´æ¥ï¼ãªã³ã¯ã®å¼µããã¦ãããã¼ãéã«ãªã³ã¯ãå¼µããã¦ããå²åã®ãã¨ãä¾ããã¼ãAã¯ãã¼ãB,C,Dã¨ãªã³ã¯ã§çµã°ãã¦ãããB,C,Dã®éã§ã¯B,Céã ããªã³ã¯ãå¼µããã¦ããã¨ããã¨ããã¼ãAã®ã¯ã©ã¹ã¿ã¼ä¿æ°ã¯3åã®1ï¼B,Déã¨C,Déã®ãªã³ã¯ãå¼µããã¦ããªããããB,C,Déã®å¯è½ãªãªã³ã¯3æ¬ã®ãã¡ã1æ¬ãããªã³ã¯ããªãï¼ã ãªã³ã¯ãªã¹ãï¼çæ¹åãªã³ã¯ï¼bbã¨ãã¼ãæ°mãä¸ãã¦ããã¹ã¦ã®ãã¼ãã®ã¯ã©ã¹ã¿ã¼ä¿æ°ãè¨ç®ããã clust = function(bb, m) { cl = rep(0,m); for(k in 1:m) { ed = sort(c(bb[which(bb[,1]==k),2], bb[which(bb[,2]==k),1])) # kã端ç¹ã¨ãããª
ãããã igraphããã±ã¼ã¸ã«ã¯ã°ã©ããªãã¸ã§ã¯ã(igraphã¯ã©ã¹)ãããããããããã®plot.igraph()é¢æ°ãç¨æããã¦ããï¼å¿è«ï¼ä½¿ãå ´åã¯plot()é¢æ°ã«ã°ã©ããªãã¸ã§ã¯ãã渡ãã ãã§ããï¼ > ## plot.igraph()ãç¨æããã¦ãã > g <- graph.tree(15) > plot.igraph(g) > ## plot()ã«igraphã¯ã©ã¹ã®ãªãã¸ã§ã¯ãã渡ãã°å¼ã³åºããã > plot(g) ããã©ã«ãã§ã¯ãã¼ãã®é ç½®ã¯æ¯åå¤ãã(å¾è¿°)ï¼ ã¬ã¤ã¢ã¦ã ããã©ã«ãã§ã¯ããããã®éã«ãã¼ãã¯ã©ã³ãã ã«é ç½®ãããï¼ãã¼ãã®é ç½®ã¯plot()ã®layoutå¼æ°ã«ãã¼ãã®åº§æ¨ãä¸ãããã¨ã§æä½ã§ãããï¼ãã®åº§æ¨ãã¢ã«ã´ãªãºã ã«ãã£ã¦æ±ºå®ãåºåããé¢æ°ãããã¤ãç¨æããã¦ããï¼ãããã®é¢æ°ã¯layout.ããå§ã¾ãååãæã£ã¦ããï¼ > ## lay
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