” 写作INFS5730设计程序INFS5730 Social Media and Enterprise 2.0 2021 T2Individual Assignment – Social Network AnalysisDue on Friday 5pm of week 5 (2nd July 2021). This assignment is worth 10% of your overallcourse mark.Data Collection and cleaning (worth 25% of the available marks)In this assignment, you are required to collect comments and replies to comments fromSonys PlayStation Blog. As Depicted the Figure below, PlayStation users can comment andreply to each others comments on Sonys PlayStation Blog at httpss://blog.playstation.com/The PlayStation Blog uses Wordpress, a free and open-source content management systemthat provides an API to collect data such as posts, comments and replies to comments. Tocollect data from any Wordpress-based website, you are required to use the R library httr.The httr R library allows to request data from the Web using HTTP protocols.2business.unsw.edu.auCRICOS Code 00098GInstall and load the httr library by executing the following R command:install.packages(httr)library(httr)To collect data from a Wordpress blog, use a GET request and provide the URL ofthe posts api as follows: (only the first 100 posts are needed).posts = content(GET( httpss://blog.playstation.com/wp-json/wp/v2/posts?per_page=100))To collect all comments (including replies to comments) on each post, loop throughall 100 posts and, for each post, use a GET request and provide the URL of thecomments api for that post as follows:allcomments = list()for (i in 1:100) {allcomments=append(allcomments,content(GET(paste0( httpss://blog.playstation.com/wp-json/wp/v2/comments?post=,posts[[i]]$id, per_page=100))))}Now that all comments and replies are downloaded, you are requested to to create aclean table of all comments and replies including the following fields: id, author,author_name, parent.commentsTable = as.data.frame(allcomments[[1]][c(id, author, author_name, parent)])for (i in 2:length(allcomments)) {commentsTable=rbind(commentsTable, as.data.frame(allcomments[[i]][c(id, author, author_name, parent)]))}Note that, for replies to comments, the field parent is the id of the comment replied to,otherwise it is 0.Export the comments and replies table into a CSV file to be able to open it in Excel.write.csv(commentsTable,commentsTable.csv)Open the exported CSV file using Excel and save it as an Excel file calledyourZid.xlsx – replace yourZid with your UNSW zID.Add two sheets to the Excel spreadsheet as follows:o One sheet called authors containing the list of all authors of eithercomments or replies to Comments (without duplicates). Two columns arerequired:author: the author ID.author_name: the name of the author.3business.unsw.edu.auCRICOS Code 00098Go One sheet called reply_to_comment_relationship based on the list of repliesto comments. Two columns are required:reply_author: the ID of the author of the reply.comment_author: the ID of the author of the comment replied to.Submit the Excel spreadsheet file on Moodle as part of your assignment submission.Social Network Analysis (worth 75% of the available marks)Using NodeXL, conduct a social network analysis of the data obtained from the DataCollection and Cleaning task above. The objective of this task is to conduct a social networkanalysis to assess the reply-to-comment relationship between users.Submit a Word document reporting the results of the social network analysis of the datasetusing NodeXL including the following:1. Should the network be Treated as directed or undirected? What is the difference?Explain and justify your answer with examples. (worth 25% of the available marks)2. Provide a screenshot of the graph pane (in Document Actions) with labelled nodes.(worth 5% of the available marks)3. Provide the following graph metrics from the social network analysis that yougenerate using NodeXL (Overall Metrics sheet). Provide an explanation of eachmetric and an interpretation of the findings (worth 20% of the available marks):a. Verticesb. Unique Edgesc. Edges With Duplicatesd. Graph Density4. Based on your Social Network Analysis, How would you identify the best influenceramong users engaged on the PlayStation Blog? Explain and justify your answer.(worth 25% of the available marks)Submission DetailsWord LimitThere is no word limit perse. Font should be no smaller than Arial 12, with standard margins.The spacing must be 1.5.请加QQ：99515681 或邮箱：99515681@qq.com WX：codehelp
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