{"id":86,"date":"2018-11-15T09:01:00","date_gmt":"2018-11-15T09:01:00","guid":{"rendered":"https:\/\/www.wangliguang.cn\/?p=86"},"modified":"2018-11-15T09:01:00","modified_gmt":"2018-11-15T09:01:00","slug":"r%e4%b8%adwhich%e7%9a%84%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/wangliguang.cn\/?p=86","title":{"rendered":"R\u4e2dwhich\u7684\u7528\u6cd5"},"content":{"rendered":"<p>which\u7684\u7528\u6cd5<br \/>\n\u5b98\u65b9\u6587\u6863\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/20181115170053765.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"><br \/>\n\u4e5f\u5c31\u662f\u627e\u51fa\u4f60\u7ed9\u7684\u53c2\u6570\u91cc\u903b\u8f91\u503c\u4e3aTRUE\u7684\u5143\u7d20\u7684\u7d22\u5f15\u3002<br \/>\n\u4e3e\u4f8b\uff1a<\/p>\n<blockquote><p>\nwhich(x!=1) #\u8fd4\u56dex\u4e2d\u4e0d\u7b49\u4e8e1\u7684\u53d8\u91cf\u503c\u5f97\u4f4d\u7f6e<br \/>\n[1] 4 5<br \/>\nwhich(c(T,F,T)) #\u8fd4\u56dec(T,F,T)\u4e2d\u4e3aTURE\u503c\u7684\u4f4d\u7f6e\u3002<br \/>\n[1] 1 3<br \/>\nwhich(c(1,0,1)) #\u53ea\u5bf9T, F\u505a\u5224\u65ad\u3002<br \/>\nError in which(c(1, 0, 1)) : argument to \u2018which\u2019 is not logical\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>which\u7684\u7528\u6cd5 \u5b98\u65b9\u6587\u6863\uff1a \u4e5f\u5c31\u662f\u627e\u51fa\u4f60\u7ed9\u7684\u53c2\u6570\u91cc\u903b\u8f91\u503c\u4e3aTRUE\u7684\u5143\u7d20\u7684\u7d22\u5f15\u3002 \u4e3e\u4f8b\uff1a which(x!=&hellip; <a href=\"https:\/\/wangliguang.cn\/?p=86\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">R\u4e2dwhich\u7684\u7528\u6cd5<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[34],"class_list":["post-86","post","type-post","status-publish","format-standard","hentry","category-r","tag-r"],"_links":{"self":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/posts\/86","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=86"}],"version-history":[{"count":0,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=\/wp\/v2\/posts\/86\/revisions"}],"wp:attachment":[{"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=86"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=86"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wangliguang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=86"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}