社会网络分析中通用的贪心算法，包含IC模型，LT模型,WC模型，对比试验中经常用到以及后续改善比较常用的贪心算法框架。-Gm s greedy algorithm in the social network analysis, including IC model, LT model, WC model, is often used in the experiment and further improve the greedy algorithm framework which are fre

使用R语言中的igraph包建立并分析社交网络，查找社交网络的中心结点，聚集度等重要参数指标-Using the R language igraph package and build a social network analysis, the central node to find social networking, aggregation and other important parameter index