{"id":491,"date":"2018-08-04T20:29:08","date_gmt":"2018-08-04T11:29:08","guid":{"rendered":"https:\/\/best-biostatistics.com\/toukei-er\/entry\/how-to-calculate-proportions-in-r\/"},"modified":"2024-10-13T21:15:32","modified_gmt":"2024-10-13T12:15:32","slug":"how-to-calculate-proportions-in-r","status":"publish","type":"post","link":"https:\/\/best-biostatistics.com\/toukei-er\/entry\/how-to-calculate-proportions-in-r\/","title":{"rendered":"R \u3067\u5272\u5408\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"\n

R \u3067\u30ab\u30c6\u30b4\u30ea\u30c7\u30fc\u30bf\u3092\u96c6\u8a08\u3057\u3066\u3001\u5272\u5408\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3002<\/p>\n\n\n\n\n\n\n\n

R \u3067\u5272\u5408\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5 \u30ab\u30c6\u30b4\u30ea\u30c7\u30fc\u30bf\u306e\u96c6\u8a08\u306e\u65b9\u6cd5<\/h2>\n\n\n\n

\u3082\u3063\u3068\u3082\u4f7f\u3046\u306e\u304ctable()\u3002<\/p>\n\n\n\n

\u8868(table)\u5f62\u5f0f\u3067\u96c6\u8a08\u3059\u308b\u95a2\u6570\u3060\u3002<\/p>\n\n\n\n

\u4f8b\u3068\u3057\u3066MASS\u30d1\u30c3\u30b1\u30fc\u30b8\u306ebirthwt\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3092\u4f7f\u3046\u3002<\/p>\n\n\n\n

low\u306f\u4f4e\u4f53\u91cd\u51fa\u751f(1)\u304b\u3001\u305d\u3046\u3067\u306f\u306a\u3044\u304b(0)\u3002<\/p>\n\n\n\n

ht\u306f\u9ad8\u8840\u5727\u306e\u65e2\u5f80\u3042\u308a(1)\u304b\u3001\u306a\u3057(0)\u304b\u3067\u3042\u308b\u3002<\/p>\n\n\n\n

\u305d\u308c\u305e\u308c\u306e\u4eba\u6570\u304c\u308f\u304b\u308b\u3002<\/p>\n\n\n\n

library<\/span>(<\/span>MASS)<\/span>\ntable<\/span>(<\/span>birthwt$<\/span>low)<\/span>\ntable<\/span>(<\/span>birthwt$<\/span>ht)<\/span>\n<\/code><\/pre>\n\n\n\n
><\/span> table<\/span>(<\/span>birthwt$<\/span>low)<\/span>\n  0<\/span>   1<\/span>\n130<\/span>  59<\/span>\n><\/span> table<\/span>(<\/span>birthwt$<\/span>ht)<\/span>\n  0<\/span>   1<\/span>\n177<\/span>  12<\/span>\n<\/code><\/pre>\n\n\n\n
R \u3067\u5272\u5408\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5 \u30ab\u30c6\u30b4\u30ea\u30c7\u30fc\u30bf\u96c6\u8a08\u306e\u5272\u5408<\/h2>\n\n\n\n
\u30ab\u30c6\u30b4\u30ea\u3054\u3068\u306e\u5272\u5408\u3092\u7b97\u51fa\u3059\u308b\u3002<\/p>\n\n\n\n
\u5272\u5408\u306fproportion\u3060\u304b\u3089\u3001\u6700\u521d\u306e4\u6587\u5b57\u3092\u53d6\u3063\u3066\u3001prop\u3060\u3002<\/p>\n\n\n\n
prop.table()\u306e\u4e2d\u306btable()\u3092\u5165\u308c\u308b\u3002<\/p>\n\n\n\n
prop.table(table()) \u3068\u306a\u308b\u3002<\/p>\n\n\n\n
prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>low))<\/span>\n<\/code><\/pre>\n\n\n\n
><\/span> prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>low))<\/span>\n        0<\/span>         1<\/span>\n0.6878307<\/span> 0.3121693<\/span>\n<\/code><\/pre>\n\n\n\n
100\u500d\u3059\u308c\u3070\u3001\u30d1\u30fc\u30bb\u30f3\u30c6\u30fc\u30b8\u306b\u306a\u308b\u3002<\/p>\n\n\n\n
prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>low))<\/span>*<\/span>100<\/span>\n<\/code><\/pre>\n\n\n\n
><\/span> prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>low))<\/span>*<\/span>100<\/span>\n       0<\/span>        1<\/span>\n68.78307<\/span> 31.21693<\/span>\n<\/code><\/pre>\n\n\n\n
round()\u3067\u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u4e38\u3081\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002<\/p>\n\n\n\n
round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>low))<\/span>*<\/span>100<\/span>,<\/span>1<\/span>)<\/span>\n<\/code><\/pre>\n\n\n\n
><\/span> round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>low))<\/span>*<\/span>100<\/span>,<\/span>1<\/span>)<\/span>\n   0<\/span>    1<\/span>\n68.8<\/span> 31.2<\/span>\n<\/code><\/pre>\n\n\n\n
\uff1e\uff1e\u3082\u3046\u7d71\u8a08\u3067\u60a9\u3080\u306e\u306f\u7d42\u308f\u308a\u306b\u3057\u307e\u305b\u3093\u304b\uff1f\u00a0<\/a><\/strong><\/span><\/p>\r\n\"\"<\/a>\r\n
\u21911\u4e07\u4eba\u4ee5\u4e0a\u306e\u533b\u7642\u5f93\u4e8b\u8005\u304c\u8cfc\u8aad\u4e2d<\/span><\/strong><\/span><\/p><\/div>
R \u3067\u5272\u5408\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5 \u30af\u30ed\u30b9\u96c6\u8a08<\/h2>\n\n\n\n
2\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u3092\u639b\u3051\u5408\u308f\u305b\u3066\u96c6\u8a08\u3059\u308b\u3053\u3068\u3092\u30af\u30ed\u30b9\u96c6\u8a08\u3068\u8a00\u3046\u3002<\/p>\n\n\n\n
\u7537\u5973\u3068\u597d\u304d\u5acc\u3044\u3068\u3092\u639b\u3051\u5408\u308f\u305b\u308b\u3068\u3044\u3046\u611f\u3058\u3060\u3002<\/p>\n\n\n\n
\u639b\u3051\u5408\u308f\u305b\u308b\uff08\u30af\u30ed\u30b9\u3055\u305b\u308b\uff09\u5909\u6570\u540c\u58eb\u3092\u30ab\u30f3\u30de\u3067\u4e26\u3079\u3066\u66f8\u304f\u3060\u3051\u3002<\/p>\n\n\n\n
table(factor1, factor2) \u3068\u3044\u3046\u3075\u3046\u306b\u66f8\u304f\u3002<\/p>\n\n\n\n
birthwt\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u306e\u9ad8\u8840\u5727ht\u3068\u4f4e\u4f53\u91cd\u51fa\u751flow\u3068\u3092\u30af\u30ed\u30b9\u96c6\u8a08\u3059\u308b\u3068\u3001\u6bcd\u89aa\u304c\u9ad8\u8840\u5727\u3067\u3001\u5150\u306e\u51fa\u751f\u4f53\u91cd\u304c\u4f4e\u4f53\u91cd\u3060\u3063\u305f\u30b1\u30fc\u30b9\u304c\u30017\u30b1\u30fc\u30b9\u3042\u3063\u305f\u3053\u3068\u304c\u5206\u304b\u308b\u3002<\/p>\n\n\n\n
table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low)<\/span>\n<\/code><\/pre>\n\n\n\n
><\/span> table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low)<\/span>\n    0<\/span>   1<\/span>\n0<\/span> 125<\/span>  52<\/span>\n1<\/span>   5<\/span>   7<\/span>\n<\/code><\/pre>\n\n\n\n
R \u3067\u5272\u5408\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5 \u30af\u30ed\u30b9\u96c6\u8a08\u306e\u5272\u5408\u3092\u8868\u793a\u3055\u305b\u308b\u65b9\u6cd5<\/h2>\n\n\n\n
\u884c\u306e\u5272\u5408\u3068\u5217\u306e\u5272\u5408\u3068\u5168\u4f53\u306e\u5272\u5408\u306e3\u7a2e\u985e\u304c\u51fa\u305b\u308b\u3002<\/p>\n\n\n\n
\u5834\u5408\u306b\u3088\u3063\u3066\u4f7f\u3044\u5206\u3051\u308b\u3002<\/p>\n\n\n\n
\u884c\uff08\u6a2a\u65b9\u5411\u304c100%\u306e\u5834\u5408\uff09\u306e\u5272\u5408\u306f\u30011\u3002<\/p>\n\n\n\n
prop.table(table(row variable, col variable),1)<\/code><\/pre>\n\n\n\n
\u5217\uff08\u7e26\u65b9\u5411\u304c100%\u306e\u5834\u5408\uff09\u306e\u5272\u5408\u306f\u30012\u3002<\/p>\n\n\n\n
prop.table(table(row variable, col variable),2)<\/code><\/pre>\n\n\n\n
\u66f8\u304b\u306a\u3044\u3068\u5168\u4f53\u306b\u5bfe\u3059\u308b\u5272\u5408\u304c\u51fa\u529b\u3055\u308c\u308b\u3002<\/p>\n\n\n\n
prop.table(table(row variable, col variable)) <\/code><\/pre>\n\n\n\n
\u3068\u3044\u3046\u3075\u3046\u306b\u66f8\u304f\u3002<\/p>\n\n\n\n
\u884c\u306e\u5272\u5408<\/h3>\n\n\n\n
round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low),<\/span>1<\/span>)<\/span>*<\/span>100<\/span>,<\/span>1<\/span>)<\/span>\n<\/code><\/pre>\n\n\n\n
><\/span> round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low),<\/span>1<\/span>)<\/span>*<\/span>100<\/span>,<\/span>1<\/span>)<\/span>\n     0<\/span>    1<\/span>\n0<\/span> 70.6<\/span> 29.4<\/span>\n1<\/span> 41.7<\/span> 58.3<\/span>\n<\/code><\/pre>\n\n\n\n
\u5217\u306e\u5272\u5408<\/h3>\n\n\n\n
round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low),<\/span>2<\/span>)<\/span>*<\/span>100<\/span>,<\/span>1<\/span>)<\/span>\n<\/code><\/pre>\n\n\n\n
><\/span> round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low),<\/span>2<\/span>)<\/span>*<\/span>100<\/span>,<\/span>1<\/span>)<\/span>\n     0<\/span>    1<\/span>\n0<\/span> 96.2<\/span> 88.1<\/span>\n1<\/span>  3.8<\/span> 11.9<\/span>\n<\/code><\/pre>\n\n\n\n
\u5168\u4f53\u306e\u5272\u5408<\/h3>\n\n\n\n
round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low))<\/span>*<\/span>100<\/span>,<\/span>1<\/span>)<\/span>\n<\/code><\/pre>\n\n\n\n
><\/span> round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low))<\/span>*<\/span>100<\/span>,<\/span>1<\/span>)<\/span>\n     0<\/span>    1<\/span>\n0<\/span> 66.1<\/span> 27.5<\/span>\n1<\/span>  2.6<\/span>  3.7<\/span>\n<\/code><\/pre>\n\n\n\n
R \u3067\u5272\u5408\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5 \u5272\u5408\u306e\u4e38\u3081<\/h2>\n\n\n\n
\u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u4e38\u3081\u308b\u306e\u306b\u3001round()\u3068\u3044\u3046\u95a2\u6570\u3092\u4f7f\u3046\u3002<\/p>\n\n\n\n
\u57fa\u672c\u306f\u56db\u6368\u4e94\u5165\u3059\u308b\u95a2\u6570\u3067\u30010.5\u306f\u30d0\u30e9\u30f3\u30b9\u3088\u304f\u4e38\u3081\u308b\u3002<\/p>\n\n\n\n
\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3002<\/p>\n\n\n\n
round() \u306e\u4e2d\u3067\u3001\u5c0f\u6570\u70b9\u4ee5\u4e0b\u306e\u6841\u6570\u3092\u6307\u5b9a\u3067\u304d\u308b\u3002<\/p>\n\n\n\n
round(,1) \u3068\u3059\u308b\u3068\u3001\u5c0f\u6570\u70b9\u4ee5\u4e0b\u4e00\u6841\u3067\u4e38\u3081\u3089\u308c\u308b\u3002<\/p>\n\n\n\n
round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low),<\/span>1<\/span>)<\/span>*<\/span>100<\/span>,<\/span>1<\/span>)<\/span>\n<\/code><\/pre>\n\n\n\n
><\/span> round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low),<\/span>1<\/span>)<\/span>*<\/span>100<\/span>,<\/span>1<\/span>)<\/span>\n     0<\/span>    1<\/span>\n0<\/span> 70.6<\/span> 29.4<\/span>\n1<\/span> 41.7<\/span> 58.3<\/span>\n<\/code><\/pre>\n\n\n\n
round(,2)\u306f\u5c0f\u6570\u70b9\u4ee5\u4e0b2\u6841\u3001round(,3)\u306f\u5c0f\u6570\u70b9\u4ee5\u4e0b3\u6841\u3002<\/p>\n\n\n\n
round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low),<\/span>1<\/span>)<\/span>*<\/span>100<\/span>,<\/span>2<\/span>)<\/span>\nround<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low),<\/span>1<\/span>)<\/span>*<\/span>100<\/span>,<\/span>3<\/span>)<\/span>\n<\/code><\/pre>\n\n\n\n
><\/span> round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low),<\/span>1<\/span>)<\/span>*<\/span>100<\/span>,<\/span>2<\/span>)<\/span>\n      0<\/span>     1<\/span>\n0<\/span> 70.62<\/span> 29.38<\/span>\n1<\/span> 41.67<\/span> 58.33<\/span>\n><\/span> round<\/span>(<\/span>prop.table<\/span>(<\/span>table<\/span>(<\/span>birthwt$<\/span>ht,<\/span> birthwt$<\/span>low),<\/span>1<\/span>)<\/span>*<\/span>100<\/span>,<\/span>3<\/span>)<\/span>\n       0<\/span>      1<\/span>\n0<\/span> 70.621<\/span> 29.379<\/span>\n1<\/span> 41.667<\/span> 58.333<\/span>\n<\/code><\/pre>\n\n\n\n
\u307e\u3068\u3081<\/h2>\n\n\n\n
\u30ab\u30c6\u30b4\u30ea\u96c6\u8a08\u306f\u3001<\/p>\n\n\n\n
\u4f8b\u6570\u306e\u96c6\u8a08\u3060\u3051\u306a\u3089\u3001table()<\/p>\n\n\n\n
\u5272\u5408\u304c\u898b\u305f\u3051\u308c\u3070\u3001prop.table(table())<\/p>\n\n\n\n
\u30af\u30ed\u30b9\u96c6\u8a08\u306f\u3001table(factor1, factor2)<\/p>\n\n\n\n
\u30af\u30ed\u30b9\u96c6\u8a08\u306e\u5272\u5408\u306f\u3001prop.table(table(factor1, factor2),?)<\/p>\n\n\n\n
\uff1f\u306e\u90e8\u5206\u306f\u3001\u884c\u306e\u5272\u5408\u306a\u30891\u3001\u5217\u306e\u5272\u5408\u306a\u30892\u3001\u5168\u4f53\u306e\u5272\u5408\u306a\u3089\u4f55\u3082\u306a\u3057\u3002<\/p>\n\n\n\n
\u5272\u5408\u3092\u30d1\u30fc\u30bb\u30f3\u30c6\u30fc\u30b8\u306b\u3057\u305f\u3044\u5834\u5408\u306f100\u3092\u304b\u3051\u308b\u3002<\/p>\n\n\n\n
\u5c0f\u6570\u70b9\u4ee5\u4e0b\u3092\u4e38\u3081\u308b\u95a2\u6570\u306f\u3001round()<\/p>\n\n\n\n
\u5c0f\u6570\u70b9\u4ee5\u4e0b\u306e\u6841\u6570\u3092\u6307\u5b9a\u3059\u308b\u306a\u3089\u3001round(,?)\u306e\uff1f\u306b\u6570\u5b57\u3092\u5165\u308c\u308b\u30021\u306a\u3089\u4e00\u6841\u30012\u306a\u3089\u4e8c\u6841\u306b\u306a\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
R \u3067\u30ab\u30c6\u30b4\u30ea\u30c7\u30fc\u30bf\u3092\u96c6\u8a08\u3057\u3066\u3001\u5272\u5408\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[5,25],"tags":[],"class_list":["post-491","post","type-post","status-publish","format-standard","hentry","category-r","category-25"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/comments?post=491"}],"version-history":[{"count":3,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/491\/revisions"}],"predecessor-version":[{"id":2885,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/posts\/491\/revisions\/2885"}],"wp:attachment":[{"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/media?parent=491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/categories?post=491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/best-biostatistics.com\/toukei-er\/wp-json\/wp\/v2\/tags?post=491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}