{"id":1041,"date":"2020-07-02T00:26:56","date_gmt":"2020-07-01T16:26:56","guid":{"rendered":"http:\/\/cnliutz.uicp.io\/?p=1041"},"modified":"2020-07-05T06:45:10","modified_gmt":"2020-07-04T22:45:10","slug":"%e5%b8%a6%e5%81%9c%e8%af%8d%e5%8a%9f%e8%83%bd%e7%9a%84r%e8%af%8d%e4%ba%91","status":"publish","type":"post","link":"http:\/\/xnw60rlg.ipyingshe.net:5347\/?p=1041","title":{"rendered":"\u5e26\u505c\u8bcd\u529f\u80fd\u7684R\u8bcd\u4e91"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>---\ntitle: \"R Notebook\"\noutput:\n  html_document:\n    df_print: paged\n  word_document: default\n---\n#\u5b89\u88c5\u5206\u8bcd\u3001\u8bcd\u4e91\u5305\ninstallpackage('jiebaR','jiebaRD','wordcloud2','tm','tmcn','NLP','readxl') \n====================================================================\n#\u5bfc\u5165\u5305\u3001\u6570\u636e\u53ca\u5206\u8bcd\nnews &lt;- read.csv('C:\/Users\/Administrator\/Desktop\/news.csv') #\u8bfb\u53d6csv\u683c\u5f0f\u6587\u4ef6\nnews &lt;- read_excel(''C:\/Users\/Administrator\/Desktop\/news.csv'') #\u8bfb\u53d6xls \u548c xlsx \u683c\u5f0f\u6587\u4ef6\ntexts&lt;-news$x #\u63d0\u53d6\u6587\u672c\u6570\u636e\u6240\u5728\u5217\n```{r}\nlibrary(readxl)\nlibrary(tm)\nlibrary(tmcn)\nlibrary(NLP)\nlibrary(jiebaRD)\nlibrary(jiebaR)\nlibrary(wordcloud2)\ntexts = \"\u5f53\u7136\u8fd9\u53e5\u8bdd\u5f97\u7ad9\u5728\u5de8\u4eba\u9999\u6e2f\u7279\u533a\u7acb\u6cd5\u4f1a\u4e3b\u5e2d\u6881\u541b\u5f66\u4f1a\u89c1\u4f20\u5a92\u65f6\u8bf4\uff0c\u4e2d\u592e\u6b64\u6b21\u4ece\u56fd\u5bb6\u5c42\u9762\u7acb\u6cd5\uff0c\u4f53\u73b0\u4e86\u56fd\u5bb6\u5b89\u5168\u5c5e\u201c\u4e00\u56fd\u4e24\u5236\u201d\u4e0b\u7684\u4e2d\u592e\u4e8b\u6743\u3002\u4e2d\u592e\u5236\u5b9a\u9999\u6e2f\u56fd\u5b89\u6cd5\u662f\u8981\u575a\u6301\u201c\u4e00\u56fd\u4e24\u5236\u201d\u3001\u201c\u6e2f\u4eba\u6cbb\u6e2f\u201d\u3001\u9ad8\u5ea6\u81ea\u6cbb\u539f\u5219\uff0c\u4fdd\u969c\u9999\u6e2f\u957f\u8fdc\u7684\u7a33\u5b9a\u7e41\u8363\uff0c\u4f9d\u6cd5\u4fdd\u62a4\u7edd\u5927\u591a\u6570\u5949\u516c\u5b88\u6cd5\u7684\u5e02\u6c11\u4e00\u76f4\u6240\u4eab\u6709\u7684\u6743\u5229\u548c\u81ea\u7531\uff0c\u540c\u65f6\u4e5f\u4ee4\u7ecf\u6d4e\u5f97\u4ee5\u84ec\u52c3\u53d1\u5c55\uff0c\u5e02\u6c11\u5b89\u5c45\u4e50\u4e1a\u3002\u5236\u5b9a\u9999\u6e2f\u7279\u522b\u884c\u653f\u533a\u7ef4\u62a4\u56fd\u5bb6\u5b89\u5168\u6cd5\uff0c\u662f\u8d2f\u5f7b\u843d\u5b9e\u515a\u7684\u5341\u4e5d\u5c4a\u56db\u4e2d\u5168\u4f1a\u7cbe\u795e\u548c\u5341\u4e09\u5c4a\u5168\u56fd\u4eba\u5927\u4e09\u6b21\u4f1a\u8bae\u7cbe\u795e\u7684\u91cd\u8981\u4e3e\u63aa\u3001\u5173\u952e\u6b65\u9aa4\u548c\u91cd\u8981\u7684\u7acb\u6cd5\u4efb\u52a1\u3002\u8fd9\u90e8\u6cd5\u5f8b\u7684\u516c\u5e03\u65bd\u884c\u5c06\u6709\u6548\u5730\u7ef4\u62a4\u56fd\u5bb6\u5b89\u5168\uff0c\u6709\u6548\u5730\u9632\u8303\u3001\u5236\u6b62\u548c\u60e9\u6cbb\u4e0e\u9999\u6e2f\u7279\u522b\u884c\u653f\u533a\u6709\u5173\u7684\u5371\u5bb3\u56fd\u5bb6\u5b89\u5168\u7684\u72af\u7f6a\uff0c\u5835\u585e\u9999\u6e2f\u7279\u522b\u884c\u653f\u533a\u5728\u7ef4\u62a4\u56fd\u5bb6\u5b89\u5168\u65b9\u9762\u5b58\u5728\u7684\u5236\u5ea6\u6f0f\u6d1e\u3002\u8fd9\u90e8\u6cd5\u5f8b\u7684\u516c\u5e03\u65bd\u884c\uff0c\u5bf9\u4e8e\u65b0\u5f62\u52bf\u4e0b\u575a\u6301\u548c\u5b8c\u5584\u201c\u4e00\u56fd\u4e24\u5236\u201d\u5236\u5ea6\u4f53\u7cfb\uff0c\u7ef4\u62a4\u56fd\u5bb6\u4e3b\u6743\u3001\u5b89\u5168\u3001\u53d1\u5c55\u5229\u76ca\uff0c\u786e\u4fdd\u9999\u6e2f\u957f\u6cbb\u4e45\u5b89\u548c\u957f\u671f\u7e41\u8363\u7a33\u5b9a\uff0c\u5177\u6709\u91cd\u5927\u800c\u6df1\u8fdc\u7684\u610f\u4e49\u3002\"\n# test1 = worker()\n# a=as.vector(test1 &lt;= texts)\n# a\n#\u5206\u8bcd\nmixseg&lt;-worker(\"mix\") #\u5efa\u7acb\u6a21\u578b\u5206\u8bcd\na&lt;-segment(texts,mixseg) #\u5f00\u59cb\u5206\u8bcd\nwrite(a,file = \"C:\/Users\/czliu\/Documents\/R\/a.txt\")\n```\n#\u53bb\u505c\u7528\u8bcd\n```{r}\nstopwords &lt;- read.table(\"C:\/\u505c\u7528\u8bcd.txt\")    #\u6587\u4ef6\u5185\u6bcf\u884c\u4e00\u4e2a\u5b57\u3001\u8bcd\nstopwords\nclass(stopwords) \nstopwords &lt;- as.vector(stopwords&#91;,1]) \nstopwords\nwordResult &lt;- removeWords(a,stopwords)   #\u5bfc\u5165tm\uff0ctmcm\uff0cNPLP\u5305\uff0c\u5426\u5219\u51fa\u73b0removeWords()\u672a\u5b9a\u4e49\u9519\u8bef\n#wordResult\nwrite(stopwords,file =\"C:\/Users\/czliu\/Documents\/R\/tingci.txt\")\n\n```\n#\u5236\u4f5c\u8bcd\u4e91\n```{r}\n#news &lt;- read.csv('C:\/Users\/czliu\/Documents\/R\/a.txt')   #\u8bfb\u53d6csv\u683c\u5f0f\u6587\u4ef6\nfreq&lt;-table(wordResult)                #\u8bcd\u9891\u7edf\u8ba1\n#freq                            #\u67e5\u770b\u8bcd\u9891\u7edf\u8ba1\u7ed3\u679c\nwordcloud2(freq,shape='star')    #\u7ed8\u5236\u8bcd\u4e91\n```\n\n\n#wordcloud2\u5305\uff0c\u81ea\u5e26\u8bcd\u4e91\u793a\u4f8b\uff08demo\uff09\n\n```{r}\nlibrary(wordcloud2)\nwordcloud2(demoFreq, size = 1,shape = 'star')\n\nwordcloud2(demoFreqC, size = 2, fontFamily = \"\u5fae\u8f6f\u96c5\u9ed1\",\n           color = \"random-light\", backgroundColor = \"grey\")\nwordcloud2(demoFreq, size = 2, minRotation = -pi\/2, maxRotation = -pi\/2)\nwordcloud2(demoFreq, size = 2, minRotation = -pi\/6, maxRotation = -pi\/6,\n           rotateRatio = 1)\n```\n=======================================================================================\n#\u6570\u636e\u6765\u6e90\uff1a\n\n```{r}\n#a.txt\u662f\u5206\u8bcd\u540e\u5f97\u5230\u7684\u6587\u4ef6\ndata &lt;- read.csv('C:\/Users\/czliu\/Documents\/R\/a.txt', sep=\",\" ,header = T)\n#\u8bfb\u53d6\u539f\u59cb\u6570\u636e\ndata=table(data)\n#\u68c0\u67e5\u6570\u636e\uff0c\u67e5\u770b\u662f\u5426\u5b58\u5728\u4e71\u7801\u7684\u60c5\u51b5\n#\u8bcd\u4e91\u51fd\u6570\u4f7f\u7528\u65b9\u6cd5\nwordcloud2(data, size = 1, shape='star',color = 'random-dark',\n           backgroundColor = \"white\",fontFamily = \"\u5fae\u8f6f\u96c5\u9ed1\")\n```\n#\u7ed8\u5236\u6587\u5b57\u4e91\uff0c\u5176\u4e2ddata\u5c31\u662f\u6211\u4eec\u8bfb\u53d6\u7684\u6570\u636e\uff0csize\u662f\u5bf9\u5e94\u6587\u5b57\u5927\u5c0f\uff0cshape\u662f\u7ed8\u5236\u5f62\u72b6\n#wordcloud2\u51fd\u6570\u8bf4\u660e\n wordcloud2(data, size = 1, minSize = 0, gridSize =  0,\n            fontFamily = NULL, fontWeight = 'normal',\n            color = 'random-dark', backgroundColor = \"white\",\n            minRotation = -pi\/4, maxRotation = pi\/4, rotateRatio = 0.4,\n            shape = 'circle', ellipticity = 0.65, widgetsize = NULL)\n\n \u5e38\u7528\u53c2\u6570\uff1a\n\n \uff081\uff09data\uff1a\u8bcd\u4e91\u751f\u6210\u6570\u636e\uff0c\u5305\u542b\u5177\u4f53\u8bcd\u8bed\u4ee5\u53ca\u9891\u7387\uff1b\n\n \uff082\uff09size\uff1a\u5b57\u4f53\u5927\u5c0f\uff0c\u9ed8\u8ba4\u4e3a1\uff0c\u4e00\u822c\u6765\u8bf4\u8be5\u503c\u8d8a\u5c0f\uff0c\u751f\u6210\u7684\u5f62\u72b6\u8f6e\u5ed3\u8d8a\u660e\u663e\uff1b\n\n \uff083\uff09fontFamily\uff1a\u5b57\u4f53\uff0c\u5982\u2018\u5fae\u8f6f\u96c5\u9ed1\u2019\uff1b\n\n \uff084\uff09fontWeight\uff1a\u5b57\u4f53\u7c97\u7ec6\uff0c\u5305\u542b\u2018normal\u2019\uff0c\u2018bold\u2019\u4ee5\u53ca\u2018600\u2019\uff1b\uff1b\n\n \uff085\uff09color\uff1a\u5b57\u4f53\u989c\u8272\uff0c\u53ef\u4ee5\u9009\u62e9\u2018random-dark\u2019\u4ee5\u53ca\u2018random-light\u2019\uff0c\u5176\u5b9e\u5c31\u662f\u989c\u8272\u8272\u7cfb\uff1b\n\n \uff086\uff09backgroundColor\uff1a\u80cc\u666f\u989c\u8272\uff0c\u652f\u6301R\u8bed\u8a00\u4e2d\u7684\u5e38\u7528\u989c\u8272\uff0c\u5982\u2018gray\u2019\uff0c\u2018blcak\u2019\uff0c\u4f46\u662f\u8fd8\u652f\u6301\u4e0d\u4e86\u66f4\u52a0\u5177\u4f53\u7684\u989c\u8272\u9009\u62e9\uff0c\u5982\u2018gray20\u2019\uff1b\n\n \uff087\uff09minRontatin\u4e0emaxRontatin\uff1a\u5b57\u4f53\u65cb\u8f6c\u89d2\u5ea6\u8303\u56f4\u7684\u6700\u5c0f\u503c\u4ee5\u53ca\u6700\u5927\u503c\uff0c\u9009\u5b9a\u540e\uff0c\u5b57\u4f53\u4f1a\u5728\u8be5\u8303\u56f4\u5185\u968f\u673a\u65cb\u8f6c\uff1b\n\n \uff088\uff09rotationRation\uff1a\u5b57\u4f53\u65cb\u8f6c\u6bd4\u4f8b\uff0c\u5982\u8bbe\u5b9a\u4e3a1\uff0c\u5219\u5168\u90e8\u8bcd\u8bed\u90fd\u4f1a\u53d1\u751f\u65cb\u8f6c\uff1b\n\n \uff089\uff09shape\uff1a\u8bcd\u4e91\u5f62\u72b6\u9009\u62e9\uff0c\u9ed8\u8ba4\u662f\u2018circle\u2019\uff0c\u5373\u5706\u5f62\u3002\u8fd8\u53ef\u4ee5\u9009\u62e9\u2018cardioid\u2019\uff08\u82f9\u679c\u5f62\u6216\u5fc3\u5f62\uff09\uff0c\u2018star\u2019\uff08\u661f\u5f62\uff09\uff0c\u2018diamond\u2019\uff08\u94bb\u77f3\uff09\uff0c\u2018triangle-forward\u2019\uff08\u4e09\u89d2\u5f62\uff09\uff0c\u2018triangle\u2019\uff08\u4e09\u89d2\u5f62\uff09\uff0c\u2018pentagon\u2019\uff08\u4e94\u8fb9\u5f62\uff09\uff1b\n\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/sinat_26917383\/article\/details\/51620019\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-1041","post","type-post","status-publish","format-standard","hentry","category-r"],"_links":{"self":[{"href":"http:\/\/xnw60rlg.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/posts\/1041","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/xnw60rlg.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xnw60rlg.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xnw60rlg.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xnw60rlg.ipyingshe.net:5347\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1041"}],"version-history":[{"count":2,"href":"http:\/\/xnw60rlg.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/posts\/1041\/revisions"}],"predecessor-version":[{"id":1045,"href":"http:\/\/xnw60rlg.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/posts\/1041\/revisions\/1045"}],"wp:attachment":[{"href":"http:\/\/xnw60rlg.ipyingshe.net:5347\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xnw60rlg.ipyingshe.net:5347\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1041"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xnw60rlg.ipyingshe.net:5347\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}