{"rsdb":{"rid":"373011","subhead":"","postdate":"0","aid":"261757","fid":"91","uid":"1","topic":"1","content":"<div id=\"cnblogs_post_body\" class=\"blogpost-body cnblogs-markdown\"> \n <h1 id=\"r\u8bed\u8a00\u6784\u5efa\u86cb\u767d\u8d28\u7f51\u7edc\u5e76\u5b9e\u73b0gn\u7b97\u6cd5\">R\u8bed\u8a00\u6784\u5efa\u86cb\u767d\u8d28\u7f51\u7edc\u5e76\u5b9e\u73b0GN\u7b97\u6cd5<\/h1> \n <h2 id=\"\u86cb\u767d\u8d28\u7f51\u7edc\u7684\u6784\u5efa\">1.\u86cb\u767d\u8d28\u7f51\u7edc\u7684\u6784\u5efa<\/h2> \n <p>\u6211\u4eec\u4f7f\u7528\u4e0e\u4eba\u7c7bHIV\u76f8\u5173\u7684\u86cb\u767d\u8d28\u4e92\u4f5c\u6570\u636ehunam-HIV PPI.csv\u6765\u6784\u5efa\u8fd9\u4e2a\u86cb\u767d\u8d28\u4e92\u4f5c\u7f51\u7edc\u3002<\/p> \n <blockquote> \n  <p>\u5728R\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u5b58\u50a8\u5728R\u73af\u5883\u5916\u90e8\u7684\u6587\u4ef6\u8bfb\u53d6\u6570\u636e\u3002\u8fd8\u53ef\u4ee5\u5c06\u6570\u636e\u5199\u5165\u7531\u64cd\u4f5c\u7cfb\u7edf\u5b58\u50a8\u548c\u8bbf\u95ee\u7684\u6587\u4ef6\u3002 R\u53ef\u4ee5\u8bfb\u53d6\u548c\u5199\u5165\u5404\u79cd\u6587\u4ef6\u683c\u5f0f\uff0c\u5982\uff1acsv\uff0cexcel\uff0cxml\u7b49\u3002<\/p> \n <\/blockquote> \n <p>\u60f3\u8981\u8bfb\u53d6csv\u6587\u4ef6\uff0c\u6211\u4eec\u9700\u8981\uff1a<\/p> \n <ul> \n  <li>\u8bbe\u7f6e\u5de5\u4f5c\u76ee\u5f55<br \/> <\/li> \n  <li>\u8bfb\u53d6CSV\u6587\u4ef6<\/li> \n <\/ul> \n <p>\u4ee3\u7801\u5982\u4e0b\uff1a<\/p> \n <pre class=\"r\"><code>setwd(&quot;\/Users\/...\/Documents\/...&quot;)  \ndata &lt;- read.csv(&quot;HIV-human PPI.csv&quot;)  <\/code><\/pre> \n <p>\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u5f97\u5230\u4e86\u86cb\u767d\u8d28\u4e92\u4f5c\u6570\u636e\u5e76\u5b58\u50a8\u5728\u4e86<code>data<\/code>\u4e2d\u3002<\/p> \n <blockquote> \n  <p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528<code>igraph<\/code>\u5305\u6765\u6784\u5efa\u8be5\u7f51\u7edc\u3002\uff08\u56e0\u4e3a\u6570\u636e\u4e2d\u53ea\u6709\u4e24\u5217\u8868\u793a\u4e24\u4e2a\u6709\u8fde\u63a5\u7684\u9876\u70b9\uff0c\u56e0\u6b64\u6211\u6ca1\u6709\u6784\u5efa\u6570\u636e\u5e27\u7528\u4e8e\u5b58\u653e\u9876\u70b9\u7684\u7279\u5f81\uff09<\/p> \n <\/blockquote> \n <pre><code>edges &lt;- data.frame(from=data[,1],to=data[,2])\ng &lt;- graph.data.frame(edges, directed = FALSE)  <\/code><\/pre> \n <p><code>graph.data.frame<\/code>(\u4e5f\u53ef\u5199\u4f5c<code>graph_from_data_frame<\/code>)\u51fd\u6570\u6709\u8bb8\u591a\u53c2\u6570\uff0c\u5177\u4f53\u5185\u5bb9\u5982\u4e0b:<\/p> \n <pre><code>graph_from_data_frame(edges,direced,vertices)  <\/code><\/pre> \n <p>\u73b0\u5728\uff0c\u6211\u4eec\u5df2\u7ecf\u5efa\u7acb\u4e86\u56fe\u5f62<code>g<\/code>\uff0c\u5982\u679c\u4f60\u60f3\u770b\u770b\u5b83\u7684\u6837\u5b50\uff0c\u53ef\u4ee5\u7b80\u5355\u5730\u901a\u8fc7<code>plot(g)<\/code>\u6765\u505a\u5230\u3002<\/p> \n <h2 id=\"\u751f\u7269\u7f51\u7edc\u7684\u6a21\u5757\u53d1\u73b0\u65b9\u6cd5\">2.\u751f\u7269\u7f51\u7edc\u7684\u6a21\u5757\u53d1\u73b0\u65b9\u6cd5<\/h2> \n <p>\u5728\u8bb8\u591a\u590d\u6742\u7f51\u7edc\u4e2d\uff0c\u5bf9\u4e8e\u6a21\u5757\uff08\u6216\u79f0\u4e3a\u793e\u533a\uff09\u7684\u5212\u5206\u662f\u975e\u5e38\u6709\u610f\u4e49\u7684\u3002\u6a21\u5757\u53d1\u73b0\uff0c\u6216\u79f0\u4e3a\u793e\u7fa4\u53d1\u73b0\u4e3b\u8981\u6709\u4e94\u79cd\u6a21\u578b\u3002<\/p> \n <blockquote> \n  <p>\u793e\u7fa4\u7ed3\u6784\u7279\u70b9\uff1a\u793e\u7fa4\u5185\u8fb9\u5bc6\u5ea6\u8981\u9ad8\u4e8e\u793e\u7fa4\u95f4\u8fb9\u5bc6\u5ea6\uff0c\u793e\u7fa4\u5185\u90e8\u8fde\u63a5\u76f8\u5bf9\u7d27\u5bc6\uff0c\u5404\u4e2a\u793e\u7fa4\u4e4b\u95f4\u8fde\u63a5\u76f8\u5bf9\u7a00\u758f\u3002<\/p> \n <\/blockquote> \n <table> \n  <thead> \n   <tr class=\"header\"> \n    <th style=\"text-align: left;\">\u793e\u7fa4\u6a21\u578b<\/th> \n    <th style=\"text-align: center;\">\u6982\u5ff5<\/th> \n    <th style=\"text-align: right;\">\u6548\u679c<\/th> \n   <\/tr> \n  <\/thead> \n  <tbody> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">\u70b9\u8fde\u63a5<\/td> \n    <td style=\"text-align: center;\">\u67d0\u70b9\u4e0e\u67d0\u793e\u7fa4\u6709\u5173\u7cfb\u5c31\u662f\u67d0\u793e\u7fa4\u7684<\/td> \n    <td style=\"text-align: right;\">\u6700\u5dee\uff0c\u5e38\u5e38\u662f\u67d0\u4e00\u5927\u7c7b\u8d85\u7ea7\u591a<\/td> \n   <\/tr> \n   <tr class=\"even\"> \n    <td style=\"text-align: left;\">\u968f\u673a\u6e38\u8d70<\/td> \n    <td style=\"text-align: center;\">\u5229\u7528\u8ddd\u79bb\u76f8\u4f3c\u5ea6\uff0c\u7528\u5408\u5e76\u5c42\u6b21\u805a\u7c7b\u65b9\u6cd5\u5efa\u7acb\u793e\u7fa4<\/td> \n    <td style=\"text-align: right;\">\u8fd0\u884c\u65f6\u95f4\u77ed\uff0c\u4f46\u662f\u6548\u679c\u4e0d\u662f\u7279\u522b\u597d\uff0c\u4e5f\u4f1a\u51fa\u73b0\u67d0\u7c7b\u5de8\u591a<\/td> \n   <\/tr> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">\u81ea\u65cb\u73bb\u7483<\/td> \n    <td style=\"text-align: center;\">\u5173\u7cfb\u7f51\u7edc\u770b\u6210\u662f\u968f\u673a\u7f51\u7edc\u573a\uff0c\u5229\u7528\u80fd\u91cf\u51fd\u6570\u6765\u8fdb\u884c\u5c42\u6b21\u805a\u7c7b<\/td> \n    <td style=\"text-align: right;\">\u8017\u65f6\u957f\uff0c\u9002\u7528\u8f83\u4e3a\u590d\u6742\u7684\u60c5\u51b5<\/td> \n   <\/tr> \n   <tr class=\"even\"> \n    <td style=\"text-align: left;\">\u4e2d\u95f4\u4e2d\u5fc3\u5ea6<\/td> \n    <td style=\"text-align: center;\">\u627e\u5230\u4e2d\u95f4\u4e2d\u5fc3\u5ea6\u6700\u5f31\u7684\u5220\u9664\uff0c\u5e76\u4ee5\u6b64\u5206\u88c2\u81f3\u5230\u5212\u5206\u4e0d\u540c\u7684\u5927\u7fa4\u843d<\/td> \n    <td style=\"text-align: right;\">\u8017\u65f6\u957f\uff0c\u53c2\u6570\u8bbe\u7f6e\u5f88\u91cd\u8981<\/td> \n   <\/tr> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">\u6807\u7b7e\u4f20\u64ad<\/td> \n    <td style=\"text-align: center;\">\u901a\u8fc7\u76f8\u90bb\u70b9\u7ed9\u81ea\u5df1\u6253\u6807\u7b7e\uff0c\u76f8\u540c\u7684\u6807\u7b7e\u4e00\u4e2a\u793e\u7fa4<\/td> \n    <td style=\"text-align: right;\">\u8ddf\u7279\u5f81\u5411\u91cf\u53ef\u4ee5\u7ec4\u5408\u5e94\u7528\uff0c\u9002\u7528\u4e8e\u8bdd\u9898\u7c7b<\/td> \n   <\/tr> \n  <\/tbody> \n <\/table> \n <p>\u5176\u4e2d\uff0c\u4e2d\u95f4\u4e2d\u5fc3\u5ea6\u7684\u6a21\u578b\uff0c\u4e3a<strong>Gievan-Newman(GN)\u7b97\u6cd5<\/strong>\u7684\u601d\u60f3\u76f8\u540c\u3002\u5176\u4f59\u6a21\u578b\u7684\u8be6\u7ec6\u60c5\u51b5\u4e0d\u4f5c\u66f4\u591a\u4ecb\u7ecd\uff0c\u6b64\u5904\uff0c\u53c2\u8003\u4e86<a>R\u8bed\u8a00\ufe31SNA-\u793e\u4f1a\u5173\u7cfb\u7f51\u7edc\u2014igraph\u5305\uff08\u793e\u7fa4\u5212\u5206\u3001\u753b\u56fe\uff09<\/a>\u3002<\/p> \n <p>\u4e0b\u9762\uff0c\u6211\u4eec\u4ecb\u7ecdGN\u7b97\u6cd5\u7684\u57fa\u672c\u601d\u60f3\uff1a<\/p> \n <blockquote> \n  <p>1.\u8ba1\u7b97\u7f51\u7edc\u4e2d\u6240\u6709\u8fb9\u7684\u4e2d\u4ecb\u4e2d\u5fc3\u6027\uff1b<br \/> 2.\u53bb\u9664\u4e2d\u4ecb\u4e2d\u5fc3\u6027\u6700\u9ad8\u7684\u8fb9\uff1b<br \/> 3.\u91cd\u65b0\u8ba1\u7b97\u53bb\u9664\u8fb9\u540e\u7684\u7f51\u7edc\u4e2d\u6240\u6709\u8fb9\u7684\u4e2d\u4ecb\u4e2d\u5fc3\u6027\uff1b<br \/> 4.\u8df3\u81f3\u6b65\u9aa42\uff0c\u91cd\u65b0\u8ba1\u7b97\uff0c\u76f4\u81f3\u7f51\u7edc\u4e2d\u6ca1\u6709\u8fb9\u5b58\u5728\u3002<\/p> \n <\/blockquote> \n <p>\u53ef\u4ee5\u770b\u5230\uff0c\u8fd9\u4e2a\u7b97\u6cd5\u7684\u601d\u60f3\u975e\u5e38\u7b80\u5355\u3002\u4f46\u662f\uff0c\u8fd9\u4e2a\u7b97\u6cd5\u4ec0\u4e48\u65f6\u5019\u7ec8\u6b62\uff0c\u624d\u80fd\u4f7f\u5f97\u793e\u7fa4\u5212\u5206\u7684\u7ed3\u6784\u6700\u4f18\uff1f\u5728<code>Newman and Girvan 2004<\/code>\u4e2d\uff0c\u4ed6\u4eec\u63d0\u51fa\u4e86<code>Modularity Q<\/code>\uff08\u5168\u5c40\u6a21\u5757\u5ea6\uff09\u7684\u6982\u5ff5\uff0c\u8fdb\u4e00\u6b65\u5b8c\u5584\u4e86\u8fd9\u4e2a\u7b97\u6cd5\u3002\u4e00\u822c\u8ba4\u4e3a\uff0cQ\u7684\u53d6\u503c\u57280.3\uff5e0.7\u4e4b\u95f4\u6700\u4f18\uff0c\u4f46\u662f\uff0c\u4e5f\u9700\u5177\u4f53\u60c5\u51b5\u5177\u4f53\u8003\u8651\u3002<\/p> \n <h2 id=\"\u6a21\u5757\u53d1\u73b0\u65b9\u6cd5\u5b9e\u73b0\u548c\u56fe\u5f62\u5c55\u793a\">3.\u6a21\u5757\u53d1\u73b0\u65b9\u6cd5\u5b9e\u73b0\u548c\u56fe\u5f62\u5c55\u793a<\/h2> \n <p>\u73b0\u5728\u6a21\u5757\u5212\u5206\u6709\u975e\u5e38\u591a\u7684\u7b97\u6cd5\uff0c\u5f88\u591a\u90fd\u5df2\u96c6\u6210\u5728igrah\u4e2d\u3002\u5728<code>library(&quot;igraph&quot;)<\/code>\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u8c03\u7528\u8bb8\u591a\u5305\u4e2d\u5df2\u5b9e\u73b0\u7684\u51fd\u6570\u5bf9\u7f51\u7edc<code>g<\/code>\u5212\u5206\u6a21\u5757\u3002<\/p> \n <table> \n  <thead> \n   <tr class=\"header\"> \n    <th style=\"text-align: left;\">\u7b97\u6cd5<\/th> \n    <th style=\"text-align: center;\">\u4f5c\u8005<\/th> \n    <th style=\"text-align: center;\">\u5e74\u4efd<\/th> \n    <th style=\"text-align: right;\">\u590d\u6742\u5ea6<\/th> \n   <\/tr> \n  <\/thead> \n  <tbody> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">GN<\/td> \n    <td style=\"text-align: center;\">Newman &amp; Girvan<\/td> \n    <td style=\"text-align: center;\">2004<\/td> \n    <td style=\"text-align: right;\"><\/td> \n   <\/tr> \n   <tr class=\"even\"> \n    <td style=\"text-align: left;\">CFinder<\/td> \n    <td style=\"text-align: center;\"><\/td> \n    <td style=\"text-align: center;\">2005<\/td> \n    <td style=\"text-align: right;\"><\/td> \n   <\/tr> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">\u968f\u673a\u6e38\u8d70\u65b9\u6cd5<\/td> \n    <td style=\"text-align: center;\">Pons &amp; Latapy<\/td> \n    <td style=\"text-align: center;\">2005<\/td> \n    <td style=\"text-align: right;\"><\/td> \n   <\/tr> \n   <tr class=\"even\"> \n    <td style=\"text-align: left;\">\u81ea\u65cb\u73bb\u7483\u793e\u7fa4\u53d1\u73b0<\/td> \n    <td style=\"text-align: center;\">Reichardt &amp; Bornholdt<\/td> \n    <td style=\"text-align: center;\">2006<\/td> \n    <td style=\"text-align: right;\"><\/td> \n   <\/tr> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">LPA(\u6807\u7b7e\u4f20\u64ad\u7b97\u6cd5)<\/td> \n    <td style=\"text-align: center;\">Raghavan et al<\/td> \n    <td style=\"text-align: center;\">2007<\/td> \n    <td style=\"text-align: right;\">O(m)<\/td> \n   <\/tr> \n   <tr class=\"even\"> \n    <td style=\"text-align: left;\">Fast Unfolding<\/td> \n    <td style=\"text-align: center;\">Vincent D. Blondel<\/td> \n    <td style=\"text-align: center;\">2008<\/td> \n    <td style=\"text-align: right;\"><\/td> \n   <\/tr> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">LFM<\/td> \n    <td style=\"text-align: center;\"><\/td> \n    <td style=\"text-align: center;\">2009<\/td> \n    <td style=\"text-align: right;\">O(n^2)<\/td> \n   <\/tr> \n   <tr class=\"even\"> \n    <td style=\"text-align: left;\">EAGLE<\/td> \n    <td style=\"text-align: center;\"><\/td> \n    <td style=\"text-align: center;\">2009<\/td> \n    <td style=\"text-align: right;\">O(s*n^2)<\/td> \n   <\/tr> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">GIS<\/td> \n    <td style=\"text-align: center;\"><\/td> \n    <td style=\"text-align: center;\">2009<\/td> \n    <td style=\"text-align: right;\">O(n^2)<\/td> \n   <\/tr> \n   <tr class=\"even\"> \n    <td style=\"text-align: left;\">HANP(Hop Attenuation &amp; Node Preferences)<\/td> \n    <td style=\"text-align: center;\">Lan X.Y. &amp; Leung<\/td> \n    <td style=\"text-align: center;\">2009<\/td> \n    <td style=\"text-align: right;\">O(m)<\/td> \n   <\/tr> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">GCE<\/td> \n    <td style=\"text-align: center;\"><\/td> \n    <td style=\"text-align: center;\">2010<\/td> \n    <td style=\"text-align: right;\">O(mh)<\/td> \n   <\/tr> \n   <tr class=\"even\"> \n    <td style=\"text-align: left;\">COPRA<\/td> \n    <td style=\"text-align: center;\"><\/td> \n    <td style=\"text-align: center;\">2010<\/td> \n    <td style=\"text-align: right;\"><\/td> \n   <\/tr> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">NMF<\/td> \n    <td style=\"text-align: center;\"><\/td> \n    <td style=\"text-align: center;\">2010<\/td> \n    <td style=\"text-align: right;\"><\/td> \n   <\/tr> \n   <tr class=\"even\"> \n    <td style=\"text-align: left;\">Link<\/td> \n    <td style=\"text-align: center;\"><\/td> \n    <td style=\"text-align: center;\">2010<\/td> \n    <td style=\"text-align: right;\"><\/td> \n   <\/tr> \n   <tr class=\"odd\"> \n    <td style=\"text-align: left;\">SLPA\/GANXis(Speaker-listener Label Propagation)<\/td> \n    <td style=\"text-align: center;\">Jierui Xie<\/td> \n    <td style=\"text-align: center;\">2011<\/td> \n    <td style=\"text-align: right;\"><\/td> \n   <\/tr> \n   <tr class=\"even\"> \n    <td style=\"text-align: left;\">BMLPA(Balanced Multi-label Propagation)<\/td> \n    <td style=\"text-align: center;\">\u6b66\u5fd7\u660a\uff08\u5317\u4ea4\u5927\uff09<\/td> \n    <td style=\"text-align: center;\">2012<\/td> \n    <td style=\"text-align: right;\">O(n*logn)<\/td> \n   <\/tr> \n  <\/tbody> \n <\/table> \n <p>1)<strong>\u57fa\u4e8e\u70b9\u8fde\u63a5\u7684\u6a21\u5757\u53d1\u73b0<\/strong>\uff1a<code>cluster_fast_greedy<\/code>\u8be5\u65b9\u6cd5\u901a\u8fc7\u76f4\u63a5\u4f18\u5316\u6a21\u5757\u5ea6\u6765\u53d1\u73b0\u6a21\u5757\u3002<\/p> \n <blockquote> \n  <p><code>cluster_fast_greedy(graph, merges = TRUE, modularity = TRUE,<\/code><br \/> <code>membership = TRUE, weights = E(graph)$weight)<\/code><\/p> \n  <blockquote> \n   <p><code>graph<\/code> \u5f85\u5212\u5206\u6a21\u5757\u7684\u56fe\u3002<br \/> <code>merges<\/code> \u662f\u5426\u8fd4\u56de\u5408\u5e76\u540e\u7684\u6a21\u578b\u3002<br \/> <code>modularity<\/code> \u662f\u5426\u5c06\u6bcf\u6b21\u5408\u5e76\u65f6\u7684\u6a21\u5757\u5ea6\u4ee5\u5411\u91cf\u8fd4\u56de\u3002<br \/> <code>membership<\/code> \u662f\u5426\u5728\u6bcf\u6b21\u5408\u5e76\u65f6\u8003\u8651\u6240\u6709\u53ef\u80fd\u7684\u6a21\u5757\u7ed3\u6784\uff0c\u5bf9\u5e94\u6700\u5927\u7684\u6a21\u5757\u5ea6\u8ba1\u7b97\u6210\u5458\u5411\u91cf\u3002<br \/> <code>weights<\/code> \u5982\u679c\u975e\u7a7a\uff0c\u5219\u662f\u4e00\u4e2a\u8fb9\u6743\u91cd\u7684\u5411\u91cf\u3002<br \/> <code>return<\/code> \u4e00\u4e2a<code>communities<\/code>\u5bf9\u8c61\u3002<\/p> \n  <\/blockquote> \n <\/blockquote> \n <p>\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p> \n <pre><code>cfg &lt;- cluster_fast_greedy(g)\nplot(cfg, g)  <\/code><\/pre> \n <p>2\uff09<strong>GN\u7b97\u6cd5<\/strong>\uff1a<code>edge.betweenness.community<\/code>\u8be5\u65b9\u6cd5\u901a\u8fc7\u4e2d\u95f4\u4e2d\u5fc3\u5ea6\u627e\u5230\u7f51\u7edc\u4e2d\u76f8\u4e92\u5173\u8054\u6700\u5f31\u7684\u70b9\uff0c\u5220\u9664\u5b83\u4eec\u4e4b\u95f4\u7684\u8fb9\uff0c\u5e76\u4ee5\u6b64\u5bf9\u7f51\u7edc\u8fdb\u884c\u9010\u5c42\u5212\u5206\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u8d8a\u6765\u8d8a\u5c0f\u7684\u6a21\u5757\u3002\u5728\u9002\u5f53\u7684\u65f6\u5019\u7ec8\u6b62\u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u5408\u9002\u7684\u6a21\u5757\u5212\u5206\u7ed3\u679c\u3002<\/p> \n <blockquote> \n  <p><code>member &lt;-edge.betweenness.community(g.undir,weight=E(g)<\/code><br \/> <code>$weight,directed=F)<\/code><br \/> \u6709\u9ed8\u8ba4\u7684\u8fb9\u6743\u91cdweight\uff0c\u5e76\u4e14\u9ed8\u8ba4\u8fb9\u662f\u65e0\u5411\u7684\uff0cdirected=T\u65f6\u4ee3\u8868\u6709\u5411\u3002<\/p> \n <\/blockquote> \n <p>\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u5e76\u5c06\u5176\u56fe\u5f62\u5c55\u793a\u548c\u4fdd\u5b58\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p> \n <pre><code>##\n#? Community structure in social and biological networks\n# M. Girvan and M. E. J. Newman\n#? New to version 0.6: FALSE\n#? Directed edges: TRUE\n#? Weighted edges: TRUE\n#? Handles multiple components: TRUE\n#? Runtime: |V||E|^2 ~\u7a00\u758f:O(N^3)\n##\nec &lt;- edge.betweenness.community(g)\nV(g)$size = 1  #\u6211\u5c06\u5927\u90e8\u5206\u9876\u70b9\u7684\u5927\u5c0f\u8bbe\u7f6e\u4e3a1\nV(g)[degree(g)&gt;=300]$size = 5 #\u4f46\u5ea6\u5f88\u5927\u7684\u9876\u70b9\u66f4\u5927\npng('\/Users\/...\/Documents\/...\/protein.png',width=1800,height=1800)# \u6307\u660e\u63a5\u4e0b\u6765\u8981\u505a\u7684\u56fe\u5f62\u7684\u683c\u5f0f\u548c\u957f\u5bbd\nplot(ec,g) \ndev.off() #","orderid":"0","title":"R\u8bed\u8a00\u6784\u5efa\u86cb\u767d\u8d28\u7f51\u7edc\u5e76\u5b9e\u73b0GN\u7b97\u6cd5(\u4e00)","smalltitle":"","mid":"0","fname":"R\u8bed\u8a00","special_id":"0","bak_id":"0","info":"0","hits":"444","pages":"3","comments":"0","posttime":"2019-09-23 11:11:47","list":"1569208307","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"https:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"<A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%D3%EF%D1%D4' target=_blank>\u8bed\u8a00<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%B9%B9%BD%A8' target=_blank>\u6784\u5efa<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%B5%B0%B0%D7%D6%CA' target=_blank>\u86cb\u767d\u8d28<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%CD%F8%C2%E7' target=_blank>\u7f51\u7edc<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%CA%B5%CF%D6' target=_blank>\u5b9e\u73b0<\/A> <A HREF='https:\/\/www.cppentry.com\/do\/search.php?type=keyword&keyword=%CB%E3%B7%A8' target=_blank>\u7b97\u6cd5<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"14.17.22.33","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"R\u8bed\u8a00\u6784\u5efa\u86cb\u767d\u8d28\u7f51\u7edc\u5e76\u5b9e\u73b0GN\u7b97\u6cd5","lastview":"1714187431","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}