{"id":326,"date":"2022-03-30T18:09:10","date_gmt":"2022-03-30T09:09:10","guid":{"rendered":"https:\/\/best-biostatistics.com\/toukei-er\/entry\/roc-curve-in-ezr-x-axis-adjustment\/"},"modified":"2024-09-30T09:43:42","modified_gmt":"2024-09-30T00:43:42","slug":"roc-curve-in-ezr-x-axis-adjustment","status":"publish","type":"post","link":"https:\/\/best-biostatistics.com\/toukei-er\/entry\/roc-curve-in-ezr-x-axis-adjustment\/","title":{"rendered":"EZR \u306e ROC \u66f2\u7dda\u30b0\u30e9\u30d5\u306e X \u8ef8\u304c\u9006\u5411\u304d\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3092\u76f4\u3059\u65b9\u6cd5"},"content":{"rendered":"\n

EZR \u306e ROC \u66f2\u7dda\u30b0\u30e9\u30d5\u306eX\u8ef8\u3092 1 – \u7279\u7570\u5ea6\u306b\u3059\u308b\u65b9\u6cd5\u3002<\/p>\n\n\n\n\n\n\n\n

EZR\u3067ROC\u66f2\u7dda\u3092\u63cf\u304f\u65b9\u6cd5<\/h2>\n\n\n\n

EZR\u3067ROC\u66f2\u7dda\u3092\u63cf\u304f\u65b9\u6cd5\u306f\u3068\u3066\u3082\u7c21\u5358\u3060\u3002<\/p>\n\n\n\n

\u300c\u7d71\u8a08\u89e3\u6790\u300d\u2192\u300c\u691c\u67fb\u306e\u6b63\u78ba\u5ea6\u306e\u8a55\u4fa1\u300d\u2192\u300c\u5b9a\u91cf\u691c\u67fb\u306e\u8a3a\u65ad\u3078\u306e\u6b63\u78ba\u5ea6\u306e\u8a55\u4fa1\uff08ROC\u66f2\u7dda\uff09\u300d\u3092\u9078\u629e\u3059\u308b\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/span><\/p>\n\n\n\n

\u7d50\u679c\u5909\u6570\uff082\u5024\uff09\u3068\u4e88\u6e2c\u306b\u7528\u3044\u308b\u5909\u6570\uff08\u9023\u7d9a\u30c7\u30fc\u30bf\uff09\u3092\u9078\u629e\u3057\u3066OK\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/span><\/p>\n\n\n\n

ROC\u66f2\u7dda\u304c\u63cf\u304b\u308c\u308b\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/span><\/p>\n\n\n\n

X\u8ef8\u3092\u898b\u308b\u3068Specificity\u3068\u306a\u3063\u3066\u3044\u3066\u3001\u5de6\u5074\u306b1.0\u304c\u3042\u308b\u3002\u3053\u308c\u3092 1-Specificity \u306b\u3057\u3066\u3001\u5de6\u306b0.0\u304c\u6765\u308b\u3088\u3046\u306b\u3057\u305f\u3044\u3002<\/p>\n\n\n\n

\u3069\u3046\u3059\u308b\u304b\uff1f<\/p>\n\n\n\n

EZR\u3067\u63cf\u3044\u305fROC\u66f2\u7dda\u306eX\u8ef8\u3092 1 – \u7279\u7570\u5ea6 \u306b\u3059\u308b\u306b\u306f\uff1f<\/h2>\n\n\n\n

X\u8ef8\u3092\u3044\u308f\u3086\u308b\u666e\u901a\u306e\u65b9\u5411\u306b\u3059\u308b\u306b\u306f\u3001R\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4e00\u90e8\u3092\u4f7f\u3063\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3059\u308b\u3002<\/p>\n\n\n\n

R\u30b9\u30af\u30ea\u30d7\u30c8\u5185\u306b\u4ee5\u4e0b\u306e\u884c\u3092\u898b\u3064\u3051\u308b\u3002<\/p>\n\n\n\n

plot<\/span>(<\/span>ROC,<\/span> print.thres=<\/span>co[,<\/span>1<\/span>],<\/span> grid=<\/span>TRUE<\/span>)<\/span>\n<\/code><\/pre>\n\n\n\n
\u30ab\u30c3\u30b3\u5185\u306b legacy.axes=TRUE \u3068\u66f8\u304d\u5165\u308c\u308b\u3002<\/p>\n\n\n\n
plot<\/span>(<\/span>ROC,<\/span> print.thres=<\/span>co[,<\/span>1<\/span>],<\/span> grid=<\/span>TRUE<\/span>,<\/span> legacy.axes=<\/span>TRUE<\/span>)<\/span>\n<\/code><\/pre>\n\n\n\n
\u5b9f\u884c\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u63cf\u304b\u308c\u308b\u3002<\/p>\n\n\n\n
X\u8ef8\u306e\u5024\u304c\u3044\u3064\u3082\u3069\u304a\u308a\u306e\u5411\u304d\u306b\u306a\u3063\u305f\u306e\u304c\u308f\u304b\u308b\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
<\/span><\/p>\n\n\n\n
\u3053\u306e\u3088\u3046\u306b\u3059\u308b\u3068ROC\u66f2\u7dda\u304c\u3044\u3064\u3082\u3069\u304a\u308a\u306e\u611f\u3058\u306b\u63cf\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\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>
2 \u3064\u306e ROC \u66f2\u7dda\u306e AUC \u6bd4\u8f03\u306e\u5834\u5408 X \u8ef8\u306e\u5909\u66f4<\/h2>\n\n\n\n
2 \u3064\u306e ROC \u66f2\u7dda\u306e AUC \u306e\u6bd4\u8f03\u30e1\u30cb\u30e5\u30fc\u3067\u30012 \u672c\u306e ROC \u66f2\u7dda\u3092\u66f8\u3044\u305f\u3068\u304d\u306e X \u8ef8\u3092\u5f93\u6765\u306e\u3082\u306e\u306b\u5909\u66f4\u3059\u308b\u65b9\u6cd5<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
<\/span><\/p>\n\n\n\n
\u901a\u5e38\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001X \u8ef8\u306f\u9006\u65b9\u5411\u3067\u3042\u308b<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
<\/span><\/p>\n\n\n\n
\u3053\u308c\u3092\u9806\u65b9\u5411\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u307e\u305a\u3001R \u30b9\u30af\u30ea\u30d7\u30c8\u7a93\u3067\u4ee5\u4e0b\u306e\u7b87\u6240\u3092\u63a2\u3057\u3060\u3059<\/p>\n\n\n\n
windows<\/span>(<\/span>width=<\/span>7<\/span>,<\/span> height=<\/span>7<\/span>);<\/span> par<\/span>(<\/span>lwd=<\/span>1<\/span>,<\/span> las=<\/span>1<\/span>,<\/span> family=<\/span>\"sans\"<\/span>,<\/span> cex=<\/span>1<\/span>,<\/span> mgp=<\/span>c<\/span>(<\/span>3.0<\/span>,<\/span>1<\/span>,<\/span>0<\/span>))<\/span>\nplot<\/span>(<\/span>ROC1,<\/span> lty=<\/span>1<\/span>)<\/span>\nplot<\/span>(<\/span>ROC2,<\/span> lty=<\/span>2<\/span>,<\/span> add=<\/span>TRUE<\/span>)<\/span>\nlegend<\/span>(<\/span>\"bottomright\"<\/span>,<\/span> c<\/span>(<\/span>\"s100b\"<\/span>,<\/span> \"ndka\"<\/span>),<\/span> lty=<\/span>1<\/span>:<\/span>2<\/span>,<\/span> box.lty=<\/span>0<\/span>)<\/span>\n<\/code><\/pre>\n\n\n\n
2 \u884c\u76ee\u306e plot(ROC1, lty=1) \u306e\u30ab\u30c3\u30b3\u5185\u306b legacy.axes=TRUE \u3092\u66f8\u304d\u5165\u308c\u308b<\/p>\n\n\n\n
windows<\/span>(<\/span>width=<\/span>7<\/span>,<\/span> height=<\/span>7<\/span>);<\/span> par<\/span>(<\/span>lwd=<\/span>1<\/span>,<\/span> las=<\/span>1<\/span>,<\/span> family=<\/span>\"sans\"<\/span>,<\/span> cex=<\/span>1<\/span>,<\/span> mgp=<\/span>c<\/span>(<\/span>3.0<\/span>,<\/span>1<\/span>,<\/span>0<\/span>))<\/span>\nplot<\/span>(<\/span>ROC1,<\/span> lty=<\/span>1<\/span>,<\/span> legacy.axes=<\/span>TRUE<\/span>)<\/span>\nplot<\/span>(<\/span>ROC2,<\/span> lty=<\/span>2<\/span>,<\/span> add=<\/span>TRUE<\/span>)<\/span>\nlegend<\/span>(<\/span>\"bottomright\"<\/span>,<\/span> c<\/span>(<\/span>\"s100b\"<\/span>,<\/span> \"ndka\"<\/span>),<\/span> lty=<\/span>1<\/span>:<\/span>2<\/span>,<\/span> box.lty=<\/span>0<\/span>)<\/span>\n<\/code><\/pre>\n\n\n\n
\u305d\u3057\u3066\u3001\u3053\u306e 4 \u884c\u3092\u9078\u629e\u3057\u3066\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b X \u8ef8\u304c\u9806\u65b9\u5411\u306b\u306a\u308b<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
<\/span><\/p>\n\n\n\n
\u307e\u3068\u3081<\/h2>\n\n\n\n
EZR\u3067ROC\u66f2\u7dda\u3092\u63cf\u3044\u305f\u3068\u304d\u306b\u3001X\u8ef8\u306e\u5024\u306e\u5411\u304d\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6c17\u3065\u304f\u3002<\/p>\n\n\n\n
\u3053\u308c\u3092\u4fee\u6b63\u3059\u308b\u306b\u306f\u3001plot()\u306e\u30ab\u30c3\u30b3\u5185\u306b legacy.axes=TRUE <\/code>\u3068\u66f8\u304d\u5165\u308c\u3066\u5b9f\u884c\u3059\u308b\u3002<\/p>\n\n\n\n
\u305d\u3046\u3059\u308b\u3068\u3044\u3064\u3082\u3069\u304a\u308a\u306e\u5411\u304d\u306e\u56f3\u306b\u306a\u308b\u3002<\/p>\n\n\n\n
2 \u3064\u306e ROC \u66f2\u7dda\u306e AUR \u306e\u6bd4\u8f03\u306e\u56f3\u3067\u3082\u3001\u540c\u69d8\u3067\u3042\u308b\u3002<\/p>\n\n\n\n
\u304a\u8a66\u3057\u3042\u308c\u3002<\/p>\n\n\n\n
\u304a\u3059\u3059\u3081\u66f8\u7c4d<\/h2>\n\n\n\n
\"EZR\u3067\u3084\u3055\u3057\u304f\u5b66\u3076\u7d71\u8a08\u5b66<\/a><\/figure>\n\n\n\n
<\/div>\n\n\n\n
\n
EZR\u3067\u3084\u3055\u3057\u304f\u5b66\u3076\u7d71\u8a08\u5b66 \u6539\u8a023\u7248 \u301cEBM\u306e\u5b9f\u8df5\u304b\u3089\u81e8\u5e8a\u7814\u7a76\u307e\u3067\u301c<\/a><\/p>\n