{"id":2420,"date":"2024-09-06T16:10:47","date_gmt":"2024-09-06T07:10:47","guid":{"rendered":"https:\/\/secondlife.lol\/?p=2420"},"modified":"2024-09-05T16:47:22","modified_gmt":"2024-09-05T07:47:22","slug":"python-3d-svm-visualization","status":"publish","type":"post","link":"https:\/\/secondlife.lol\/ja\/python-3d-svm-visualization\/","title":{"rendered":"\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30bf\u30fc\u30de\u30b7\u30f3\u306e\u4f8b - 3\u6b21\u5143\u3092\u8996\u899a\u5316\u3059\u308b"},"content":{"rendered":"<p>\u30c7\u30fc\u30bf\u5206\u985e\u3067\u3088\u304f\u4f7f\u308f\u308c\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u4e00\u3064\u3067\u3042\u308b\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30bf\u30fc\u30de\u30b7\u30f3(SVM, Support Vector Machine)\u306f\u30012\u6b21\u5143\u3060\u3051\u3067\u306a\u304f3\u6b21\u5143\u30c7\u30fc\u30bf\u3067\u3082\u5f37\u529b\u306a\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u4eca\u56de\u306e\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30bf\u30fc\u30de\u30b7\u30f3\u306e\u4f8b\u984c\u30dd\u30b9\u30c8\u3067\u306f <strong>Python<\/strong>\u305d\u3057\u3066 <code>scikit-learn<\/code>, <code>matplotlib<\/code> \u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u3066 <strong>3\u6b21\u5143\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30bf\u30fc\u30de\u30b7\u30f3(SVM)<\/strong>\u3092\u5b9f\u88c5\u3057\u3066\u3001\u305d\u306e\u7d50\u679c\u3092\u53ef\u8996\u5316\u3059\u308b\u65b9\u6cd5\u3092\u96c6\u4e2d\u7684\u306b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>3\u6b21\u5143\u7a7a\u9593\u3067\u306e\u5206\u985e\u5883\u754c\u306f\u3088\u308a\u8907\u96d1\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u8996\u899a\u5316\u3059\u308b\u3053\u3068\u3067\u7c21\u5358\u306b\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u306e\u4f8b\u3067SVM\u304c3\u6b21\u5143\u30c7\u30fc\u30bf\u3092\u3069\u306e\u3088\u3046\u306b\u51e6\u7406\u3059\u308b\u306e\u304b\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n<style>.kb-image2420_676f41-75 .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;}.kb-image2420_676f41-75 img.kb-img, .kb-image2420_676f41-75 .kb-img img{border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}<\/style>\n<div class=\"wp-block-kadence-image kb-image2420_676f41-75\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"600\" height=\"620\" src=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/09\/IMG_2326-600x620.jpeg\" alt=\"\uc11c\ud3ec\ud2b8 \ubca1\ud2b8 \uba38\uc2e0 \uc608\uc81c 3\ucc28\uc6d0 \ud3ec\uc2a4\ud2b8 \uadf8\ub9bc\" class=\"kb-img wp-image-2425\" srcset=\"https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/09\/IMG_2326-600x620.jpeg 600w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/09\/IMG_2326-300x310.jpeg 300w, https:\/\/secondlife.lol\/wp-content\/uploads\/2024\/09\/IMG_2326.jpeg 637w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption>( \u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30c8\u30de\u30b7\u30f3\u306e\u5b9f\u884c\u7d50\u679c - 3\u6b21\u5143 )<\/figcaption><\/figure><\/div>\n\n\n<style>.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap{padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-right:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);padding-left:var(--global-kb-spacing-sm, 1.5rem);border-top:3px solid var(--global-palette2, #2B6CB0);border-right:3px solid var(--global-palette2, #2B6CB0);border-bottom:3px solid var(--global-palette2, #2B6CB0);border-left:3px solid var(--global-palette2, #2B6CB0);border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;box-shadow:0px 0px 14px 0px rgba(0, 0, 0, 0.2);}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title-wrap{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title-wrap{color:var(--global-palette2, #2B6CB0);}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title{color:var(--global-palette2, #2B6CB0);font-size:28px;font-weight:regular;font-style:normal;}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap .kb-table-of-content-list{color:var(--global-palette1, #3182CE);line-height:2em;font-weight:regular;font-style:normal;margin-top:var(--global-kb-spacing-sm, 1.5rem);margin-right:0px;margin-bottom:0px;margin-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap .kb-table-of-content-list .kb-table-of-contents__entry:hover{color:var(--global-palette6, #718096);}@media all and (max-width: 1024px){.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap{border-top:3px solid var(--global-palette2, #2B6CB0);border-right:3px solid var(--global-palette2, #2B6CB0);border-bottom:3px solid var(--global-palette2, #2B6CB0);border-left:3px solid var(--global-palette2, #2B6CB0);}}@media all and (max-width: 1024px){.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title{font-size:28px;}}@media all and (max-width: 767px){.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-content-wrap{border-top:3px solid var(--global-palette2, #2B6CB0);border-right:3px solid var(--global-palette2, #2B6CB0);border-bottom:3px solid var(--global-palette2, #2B6CB0);border-left:3px solid var(--global-palette2, #2B6CB0);}.kb-table-of-content-nav.kb-table-of-content-id83_5f28a6-34 .kb-table-of-contents-title{font-size:28px;}}<\/style>\n\n\n<h2 class=\"wp-block-heading\">3\u6b21\u5143\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30bf\u30fc\u30de\u30b7\u30f3(SVM)\u306e\u7406\u89e3<\/h2>\n\n\n\n<p><strong>SVM<\/strong>\u306f\u3001\u30c7\u30fc\u30bf\u30922\u3064\u306e\u30af\u30e9\u30b9\u306b\u5206\u985e\u3067\u304d\u308b\u6700\u9069\u306a\u5883\u754c\uff08\u30cf\u30a4\u30d1\u30fc\u30d7\u30ec\u30fc\u30f3\u3092\u898b\u3064\u3051\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u30023\u6b21\u5143\u3067\u306f\u3001\u3053\u306e\u30cf\u30a4\u30d1\u30fc\u30d7\u30ec\u30fc\u30f3\u304c\u5e73\u9762\u3068\u3057\u3066\u73fe\u308c\u3001\u30c7\u30fc\u30bf\u3092\u7570\u306a\u308b\u30af\u30e9\u30b9\u306b\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u56de\u306e\u4f8b\u3067\u306f\u30013\u3064\u306e\u7279\u5fb4\u3092\u6301\u3064\u30c7\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066\u30013D\u5206\u985e\u5883\u754c\u3092\u8996\u899a\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Python\u30b3\u30fc\u30c9\u306e\u6bb5\u968e\u7684\u306a\u8aac\u660e<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1.\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u30a4\u30f3\u30dd\u30fc\u30c8<\/h3>\n\n\n\n<p>\u307e\u305a\u30013\u6b21\u5143\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3057\u3001SVM\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\nimport matplotlib.pyplot as plt\nfrom mpl_toolkits.mplot3d import Axes3D # 3D\u30d3\u30b8\u30e5\u30a2\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\nfrom sklearn import datasets\nfrom sklearn.model_selection import train_test_split\nfrom sklearn.svm import SVC<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>mpl_toolkits.mplot3d.Axes3D<\/code>: 3D\u30b0\u30e9\u30d5\u3092\u63cf\u753b\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3059\u3002<\/li>\n\n\n\n<li><code>SVC<\/code>: <code>scikit-learn<\/code>\u304c\u63d0\u4f9b\u3059\u308b\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30bf\u30fc\u30de\u30b7\u30f3(SVM)\u5206\u985e\u5668\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2.\u30b5\u30f3\u30d7\u30eb\u30c7\u30fc\u30bf\u4f5c\u6210<\/h3>\n\n\n\n<p>\u6b21\u306b\u30013\u6b21\u5143\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3057\u3066SVM\u3092\u5b66\u7fd2\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># 3\u3064\u306e\u7279\u5fb4\u3092\u6301\u30643D\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3057\u307e\u3059\u3002\nX, y = datasets.make_classification(n_samples=100, n_features=3, n_informative=3, n_redundant=0, random_state=42)\n\n# \u5b66\u7fd2\u7528\u3068\u30c6\u30b9\u30c8\u7528\u30c7\u30fc\u30bf\u3092\u5206\u96e2\u3057\u307e\u3059\u3002\nX_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.3, random_state=42)<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>n_samples=100<\/code>: 100\u500b\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>n_features=3<\/code>: \u5404\u30b5\u30f3\u30d7\u30eb\u304c3\u3064\u306e\u7279\u5fb4\u3092\u6301\u3064\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>n_informative=3<\/code>: 3\u3064\u306e\u7279\u5fb4\u5168\u3066\u304c\u5206\u985e\u306b\u91cd\u8981\u306a\u60c5\u5831\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3.SVM\u30e2\u30c7\u30eb\u306e\u751f\u6210\u3068\u5b66\u7fd2<\/h3>\n\n\n\n<p>\u751f\u6210\u3057\u305f\u30c7\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066SVM\u30e2\u30c7\u30eb\u3092\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># 3D\u30c7\u30fc\u30bf\u306e\u305f\u3081\u306eSVM\u30e2\u30c7\u30eb\u751f\u6210\nmodel = SVC(kernel='linear')\n\n# \u30e2\u30c7\u30eb\u5b66\u7fd2\nmodel.fit(X_train, y_train)<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>kernel='linear'<\/code>: \u7dda\u5f62\u30ab\u30fc\u30cd\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u30c7\u30fc\u30bf\u9593\u306e\u5206\u985e\u5883\u754c\u3092\u898b\u3064\u3051\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4.SVM3D\u7d50\u679c\u306e\u53ef\u8996\u5316<\/h2>\n\n\n\n<p>\u3053\u308c\u3067\u3001\u5b66\u7fd2\u3055\u308c\u305fSVM\u30e2\u30c7\u30eb\u306e\u7d50\u679c\u3092 <strong>3D\u53ef\u8996\u5316<\/strong>\u3067\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002 3\u6b21\u5143\u3067\u306f\u3001\u5206\u985e\u5883\u754c\u304c\u5e73\u9762\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5b66\u7fd2\u3055\u308c\u305fSVM\u30e2\u30c7\u30eb\u306e3D\u5206\u985e\u5883\u754c\u3092\u8996\u899a\u5316\u3059\u308b\u95a2\u6570\u3067\u3059\u3002\ndef plot_3d_decision_boundary(X, y, model)\uff1a\nfig = plt.figure(figsize=(10, 8))\nax = fig.add_subplot(111, projection='3d')\n\n#\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u30923D\u7a7a\u9593\u306b\u63cf\u753b\u3059\u308b\nax.scatter(X[:, 0], X[:, 1], X[:, 2], c=y, cmap='coolwarm', s=60, edgecolors='k')\n\n# \u5883\u754c\u53ef\u8996\u5316\u306e\u305f\u3081\u306e\u30b0\u30ea\u30c3\u30c9\u8a2d\u5b9a\nxlim = (X[:, 0].min(), X[:, 0].max())\nylim = (X[:, 1].min(), X[:, 1].max())\nzlim = (X[:, 2].min(), X[:, 2].max())\n\nxx, yy = np.meshgrid(np.linspace(xlim[0], xlim[1], 30)\u3001<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b8c\u5168\u306a\u7d71\u5408\u30b3\u30fc\u30c9<\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u30013\u6b21\u5143\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30bf\u30fc\u30de\u30b7\u30f3(SVM)\u30e2\u30c7\u30eb\u306e\u5168\u30b3\u30fc\u30c9\u3092\u30b3\u30e1\u30f3\u30c8\u3068\u3068\u3082\u306b\u8aac\u660e\u3057\u305f\u7d71\u5408\u30b3\u30fc\u30c9\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\nimport matplotlib.pyplot as plt\nfrom mpl_toolkits.mplot3d import Axes3D # 3D\u30b0\u30e9\u30d5\u3092\u63cf\u753b\u3059\u308b\u305f\u3081\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\nfrom sklearn import datasets\nfrom sklearn.model_selection import train_test_split\nfrom sklearn.svm import SVC import SVC\n\n# 1.3D\u30c7\u30fc\u30bf\u306e\u751f\u6210\n# 3\u3064\u306e\u7279\u5fb4\u3092\u6301\u3064100\u500b\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u751f\u6210\u3057\u307e\u3059\u3002\n# n_informative=3: 3\u3064\u306e\u6709\u610f\u306a\u7279\u5fb4\u306e\u307f\u4f7f\u7528\u3001n_redundant=0: \u4e0d\u8981\u306a\u7279\u5fb4\u306a\u3057\u3002\nX, y = datasets.make_classification(n_samples=100, n_features=3, n_informative=3\u3001\n                                    n_redundant=0, random_state=42)\n\n# 2.\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u5b66\u7fd2\u7528\u3068\u30c6\u30b9\u30c8\u7528\u306b\u5206\u96e2\u3057\u307e\u3059\u3002\n# 70%\u306e\u30c7\u30fc\u30bf\u3092\u5b66\u7fd2\u7528\u306b\u300130%\u306e\u30c7\u30fc\u30bf\u3092\u30c6\u30b9\u30c8\u7528\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\nX_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.3, random_state=42)\n\n# 3.SVM\u30e2\u30c7\u30eb\u306e\u751f\u6210\n#\u7dda\u5f62\u30ab\u30fc\u30cd\u30eb\u3092\u4f7f\u3046SVM\u30e2\u30c7\u30eb\u3092\u751f\u6210\u3057\u307e\u3059\u3002\nmodel = SVC(kernel='linear')\n\n# 4.\u30e2\u30c7\u30eb\u5b66\u7fd2\n#\u306e\u5b66\u7fd2\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u3066SVM\u30e2\u30c7\u30eb\u3092\u5b66\u7fd2\u3055\u305b\u307e\u3059\u3002\nmodel.fit(X_train, y_train)\n\n# 5.3D\u53ef\u8996\u5316\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\ndef plot_3d_decision_boundary(X, y, model)\uff1a\n    # 3D\u30b0\u30e9\u30d5\u306e\u305f\u3081\u306e\u30d7\u30ed\u30c3\u30c8\u751f\u6210\n    fig = plt.figure(figsize=(10, 8))\n    ax = fig.add_subplot(111, projection='3d')\n\n    # 5.1\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u306e\u53ef\u8996\u5316\n    # \u5404\u30af\u30e9\u30b9\u306b\u5fdc\u3058\u3066\u8272\u5206\u3051\u3057\u30663D\u7a7a\u9593\u306b\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3057\u307e\u3059\u3002\n    ax.scatter(X[:, 0], X[:, 1], X[:, 2], c=y, cmap='coolwarm', s=60, edgecolors='k')\n\n    # 5.2 \u5883\u754c\u53ef\u8996\u5316\u306e\u305f\u3081\u306e\u30b0\u30ea\u30c3\u30c9\u8a2d\u5b9a\n    xlim = (X[:, 0].min(), X[:, 0].max())\n    ylim = (X[:, 1].min(), X[:, 1].max())\n    zlim = (X[:, 2].min(), X[:, 2].max())\n\n    xx, yy = np.meshgrid(np.linspace(xlim[0], xlim[1], 30), np.linspace(ylim[0], ylim[1], 30))\n\n    # 5.3 \u7d50\u6676\u5883\u754c\u5e73\u9762\u306e\u8a08\u7b97\n    #\u7dda\u5f62SVM\u306e\u91cd\u307f\u3068\u5207\u7247\u3092\u5229\u7528\u3057\u3066\u5883\u754c\u5e73\u9762\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\n    #\u30e2\u30c7\u30eb\u306ecoef_\u306f\u3001\u7d50\u6676\u5883\u754c\u9762\u306e\u50be\u304d\u3092\u8868\u3057\u307e\u3059\u3002\n    Z = (-model.coef_[0][0][0] * xx - model.coef_[0][1] * yy - model.intercept_) \/ model.coef_[0][2].\n\n    # 5.4 \u7d50\u6676\u5883\u754c\u9762\u306e\u53ef\u8996\u5316\n    ax.plot_surface(xx, yy, Z, color='green', alpha=0.3)\n\n    # 5.5 \u8ef8\u306e\u30e9\u30d9\u30eb\u8a2d\u5b9a\n    ax.set_xlabel(\"Feature 1\")\n    ax.set_ylabel(\"Feature 2\")\n    ax.set_zlabel(\"Feature 3\")\n    ax.set_title(\"SVM 3D Decision Boundary\")\n\n    # 5.6 \u30b0\u30e9\u30d5\u8868\u793a\n    plt.show()\n\n# 6.\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066SVM\u306e\u6c7a\u5b9a\u30d0\u30a6\u30f3\u30c0\u30ea\u3092\u53ef\u8996\u5316\u3057\u307e\u3059\u3002\nplot_3d_decision_boundary(X_test, y_test, model)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30fc\u30c9\u306e\u8aac\u660e\uff1a<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30fc\u30bf\u751f\u6210<\/strong>: <code>make_classification<\/code> \u95a2\u6570\u30673\u6b21\u5143\u30c7\u30fc\u30bf\u3092\u751f\u6210\u3057\u3066SVM\u3067\u5b66\u7fd2\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002 <code>n_features=3<\/code>\u3092\u4f7f\u7528\u3057\u30663\u6b21\u5143\u30c7\u30fc\u30bf\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30c7\u30fc\u30bf\u5206\u5272<\/strong>: <code>train_test_split<\/code>\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u3092\u5b66\u7fd2\u7528\u3068\u30c6\u30b9\u30c8\u7528\u306b\u5206\u96e2\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>SVM\u30e2\u30c7\u30eb\u306e\u751f\u6210\u3068\u5b66\u7fd2<\/strong>: <code>SVC<\/code> \u30af\u30e9\u30b9\u3092\u5229\u7528\u3057\u3066\u7dda\u5f62\u30ab\u30fc\u30cd\u30eb\u3092\u4f7f\u3046SVM\u30e2\u30c7\u30eb\u3092\u751f\u6210\u3057\u3001\u5b66\u7fd2\u30c7\u30fc\u30bf\u3092\u901a\u3058\u3066\u30e2\u30c7\u30eb\u3092\u5b66\u7fd2\u3055\u305b\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>3D\u53ef\u8996\u5316<\/strong>: <code>mpl_toolkits.mplot3d.Axes3D<\/code> \u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u30663D\u8996\u899a\u5316\u3092\u5b9f\u88c5\u3057\u3001SVM\u304c\u5b66\u7fd2\u3057\u305f\u5206\u985e\u5883\u754c\u9762\u3092\u8996\u899a\u5316\u3057\u307e\u3059\u3002 <code>ax.plot_surface<\/code> \u95a2\u6570\u3067SVM\u306e\u6c7a\u5b9a\u5883\u754c\u9762\u3092\u8996\u899a\u5316\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/h2>\n\n\n\n<p><strong>Q1.3\u6b21\u5143\u30c7\u30fc\u30bf\u3067SVM\u306e\u6c7a\u5b9a\u5883\u754c\u306f\u3069\u306e\u3088\u3046\u306b\u73fe\u308c\u307e\u3059\u304b\uff1f<\/strong><br>A1.3\u6b21\u5143\u30c7\u30fc\u30bf\u3067\u306f\u3001SVM\u306e\u6c7a\u5b9a\u5883\u754c\u306f\u5e73\u9762\u3068\u3057\u3066\u73fe\u308c\u307e\u3059\u3002\u3053\u306e\u5e73\u9762\u306f2\u3064\u306e\u30af\u30e9\u30b9\u3092\u5206\u96e2\u3057\u3001SVM\u306f\u6700\u3082\u8fd1\u3044\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\uff08\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30c8\u30eb\uff09\u304b\u3089\u306e\u3053\u306e\u5e73\u9762\u306e\u8ddd\u96e2\u3092\u6700\u5927\u5316\u3059\u308b\u65b9\u6cd5\u3067\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Q2.\u30ab\u30fc\u30cd\u30eb\u95a2\u6570\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><br>A2.\u30ab\u30fc\u30cd\u30eb\u95a2\u6570\u306fSVM\u3067\u30c7\u30fc\u30bf\u3092\u9ad8\u6b21\u5143\u7a7a\u9593\u306b\u5909\u63db\u3057\u3001\u975e\u7dda\u5f62\u30c7\u30fc\u30bf\u3092\u7dda\u5f62\u306b\u5206\u96e2\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u95a2\u6570\u3067\u3059\u3002 \u4eca\u56de\u306e\u4f8b\u3067\u306f\u3001\u7dda\u5f62\u30ab\u30fc\u30cd\u30eb(<code>\u30ea\u30cb\u30a2<\/code>)\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u304c\u3001RBF\u30ab\u30fc\u30cd\u30eb\u3001\u591a\u9805\u5f0f\u30ab\u30fc\u30cd\u30eb\u306a\u3069\u69d8\u3005\u306a\u30ab\u30fc\u30cd\u30eb\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Q3. SVM\u306e <code>coef_<\/code>\u3068 <code>\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8<\/code>\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><br>A3. <code>coef_<\/code>\u306f SVM \u3067\u7d50\u6676\u5883\u754c\u306e\u52fe\u914d\u3092\u8868\u3059\u5024\u3067\u3059\u3001 <code>\u30a4\u30f3\u30bf\u30fc\u30bb\u30d7\u30c8<\/code>\u306f\u7d50\u6676\u5883\u754c\u306e\u5207\u7247\u3092\u8868\u3057\u307e\u3059\u3002\u3053\u306e2\u3064\u306e\u5024\u306b\u3088\u308a\u3001\u5206\u985e\u5883\u754c\uff08\u5e73\u9762\uff09\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Q4.3\u6b21\u5143\u30c7\u30fc\u30bf\u4ee5\u5916\u306b\u3082\u3001\u3088\u308a\u9ad8\u3044\u6b21\u5143\u306e\u30c7\u30fc\u30bf\u3092\u53ef\u8996\u5316\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong><br>A4.3\u6b21\u5143\u307e\u3067\u306f\u53ef\u8996\u5316\u304c\u53ef\u80fd\u3067\u3059\u304c\u30014\u6b21\u5143\u4ee5\u4e0a\u306e\u30c7\u30fc\u30bf\u306f\u53ef\u8996\u5316\u304c\u3067\u304d\u307e\u305b\u3093\u3002 \u3057\u304b\u3057\u3001\u9ad8\u6b21\u5143\u30c7\u30fc\u30bf\u3067\u3082SVM\u306f\u5f37\u529b\u306a\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u9ad8\u6b21\u5143\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u306f\u3001\u6b21\u5143\u524a\u6e1b\u624b\u6cd5(PCA\u306a\u3069)\u3092\u7528\u3044\u3066\u8996\u899a\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Q5.\u975e\u7dda\u5f62\u30c7\u30fc\u30bf\u306e\u5206\u985e\u306b\u3082SVM\u306f\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/strong><br>A5. \u306f\u3044\u3001\u975e\u7dda\u5f62\u30c7\u30fc\u30bf\u3092\u5206\u985e\u3059\u308b\u5834\u5408\u3001RBF\u30ab\u30fc\u30cd\u30eb\u3084\u591a\u9805\u5f0f\u30ab\u30fc\u30cd\u30eb\u306a\u3069\u306e\u975e\u7dda\u5f62\u30ab\u30fc\u30cd\u30eb\u3092\u4f7f\u7528\u3057\u3066SVM\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30ab\u30fc\u30cd\u30eb\u6cd5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u5206\u5e03\u3082\u52b9\u679c\u7684\u306b\u5206\u985e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ed5\u4e0a\u3052<\/h2>\n\n\n\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001Python\u3092\u4f7f\u3063\u30663\u6b21\u5143\u30b5\u30dd\u30fc\u30c8\u30d9\u30af\u30bf\u30fc\u30de\u30b7\u30f3(SVM)\u3092\u5b9f\u88c5\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u53ef\u8996\u5316\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002 SVM\u304c3\u6b21\u5143\u30c7\u30fc\u30bf\u3067\u3069\u306e\u3088\u3046\u306b\u5206\u985e\u5883\u754c\u3092\u8a2d\u5b9a\u3057\u3001\u5b66\u7fd2\u3059\u308b\u306e\u304b\u3001\u53ef\u8996\u5316\u3055\u308c\u305f\u7d50\u679c\u304b\u3089\u76f4\u611f\u7684\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<br>\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u306bSVM\u3092\u9069\u7528\u3057\u3066\u307f\u305f\u308a\u3001\u69d8\u3005\u306a\u30ab\u30fc\u30cd\u30eb\u95a2\u6570\u3084\u9ad8\u6b21\u5143\u30c7\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u3066SVM\u306e\u6027\u80fd\u3092\u3088\u308a\u6df1\u304f\u6398\u308a\u4e0b\u3052\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\ub370\uc774\ud130 \ubd84\ub958\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ub418\ub294 \uc54c\uace0\ub9ac\uc998 \uc911 \ud558\ub098\uc778 \uc11c\ud3ec\ud2b8 \ubca1\ud130 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