{"id":2881,"date":"2024-11-23T22:26:53","date_gmt":"2024-11-23T14:26:53","guid":{"rendered":"http:\/\/viplao.com\/?p=2881"},"modified":"2024-11-23T22:26:56","modified_gmt":"2024-11-23T14:26:56","slug":"python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e6%95%b0%e6%8d%ae%e5%8f%af%e8%a7%86%e5%8c%96%e4%b8%admatplotlib%e7%9a%8410%e4%b8%aa%e7%b2%be%e7%be%8e%e5%9b%be%e8%a1%a8","status":"publish","type":"post","link":"http:\/\/viplao.com\/index.php\/2024\/11\/23\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e6%95%b0%e6%8d%ae%e5%8f%af%e8%a7%86%e5%8c%96%e4%b8%admatplotlib%e7%9a%8410%e4%b8%aa%e7%b2%be%e7%be%8e%e5%9b%be%e8%a1%a8\/","title":{"rendered":"PYTHON\u57fa\u7840\u6280\u80fd \u2013\u00a0\u6570\u636e\u53ef\u89c6\u5316\u4e2dMatplotlib\u768410\u4e2a\u7cbe\u7f8e\u56fe\u8868"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" 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title=\"\u5b9e\u6218\u6848\u4f8b\uff1a\u9500\u552e\u6570\u636e\u53ef\u89c6\u5316\">\u5b9e\u6218\u6848\u4f8b\uff1a\u9500\u552e\u6570\u636e\u53ef\u89c6\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/23\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e6%95%b0%e6%8d%ae%e5%8f%af%e8%a7%86%e5%8c%96%e4%b8%admatplotlib%e7%9a%8410%e4%b8%aa%e7%b2%be%e7%be%8e%e5%9b%be%e8%a1%a8\/#%E4%BA%A7%E5%93%81%E9%94%80%E5%94%AE%E9%A2%9D%E5%AF%B9%E6%AF%94\" title=\"\u4ea7\u54c1\u9500\u552e\u989d\u5bf9\u6bd4\">\u4ea7\u54c1\u9500\u552e\u989d\u5bf9\u6bd4<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/23\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e6%95%b0%e6%8d%ae%e5%8f%af%e8%a7%86%e5%8c%96%e4%b8%admatplotlib%e7%9a%8410%e4%b8%aa%e7%b2%be%e7%be%8e%e5%9b%be%e8%a1%a8\/#%E6%9C%88%E5%BA%A6%E9%94%80%E5%94%AE%E9%A2%9D%E8%B6%8B%E5%8A%BF\" title=\"\u6708\u5ea6\u9500\u552e\u989d\u8d8b\u52bf\">\u6708\u5ea6\u9500\u552e\u989d\u8d8b\u52bf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/23\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e6%95%b0%e6%8d%ae%e5%8f%af%e8%a7%86%e5%8c%96%e4%b8%admatplotlib%e7%9a%8410%e4%b8%aa%e7%b2%be%e7%be%8e%e5%9b%be%e8%a1%a8\/#%E5%9C%B0%E5%8C%BA%E9%94%80%E5%94%AE%E9%A2%9D%E5%88%86%E5%B8%83\" title=\"\u5730\u533a\u9500\u552e\u989d\u5206\u5e03\">\u5730\u533a\u9500\u552e\u989d\u5206\u5e03<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"http:\/\/viplao.com\/index.php\/2024\/11\/23\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e6%95%b0%e6%8d%ae%e5%8f%af%e8%a7%86%e5%8c%96%e4%b8%admatplotlib%e7%9a%8410%e4%b8%aa%e7%b2%be%e7%be%8e%e5%9b%be%e8%a1%a8\/#%E6%80%BB%E7%BB%93\" title=\"\u603b\u7ed3\">\u603b\u7ed3<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%BC%95%E8%A8%80\"><\/span><strong>\u5f15\u8a00<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Matplotlib\u4f5c\u4e3aPython\u4e2d\u6700\u53d7\u6b22\u8fce\u7684\u7ed8\u56fe\u5e93\u4e4b\u4e00\uff0c\u80fd\u591f\u8f7b\u677e\u5e94\u5bf9\u4ece\u7b80\u5355\u5230\u590d\u6742\u7684\u6570\u636e\u53ef\u89c6\u5316\u9700\u6c42\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd10\u79cd\u5e38\u7528\u4e14\u7f8e\u89c2\u7684\u56fe\u8868\u7c7b\u578b\u53ca\u5176\u7ed8\u5236\u65b9\u6cd5\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528Matplotlib\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%E5%9F%BA%E7%A1%80%E8%AE%BE%E7%BD%AE\"><\/span><strong>1. \u57fa\u7840\u8bbe\u7f6e<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u57fa\u672c\u7684\u8bbe\u7f6e\uff0c\u4ee5\u786e\u4fdd\u56fe\u8868\u7684\u7f8e\u89c2\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import&nbsp;matplotlib.pyplot&nbsp;as&nbsp;plt<br>import&nbsp;numpy&nbsp;as&nbsp;np<br><br>plt.style.use('seaborn')&nbsp;&nbsp;<em>#&nbsp;\u4f7f\u7528seaborn\u98ce\u683c<\/em><br>plt.rcParams&#91;'font.sans-serif']&nbsp;=&nbsp;&#91;'SimHei']&nbsp;&nbsp;<em>#&nbsp;\u8bbe\u7f6e\u4e2d\u6587\u663e\u793a<\/em><br>plt.rcParams&#91;'axes.unicode_minus']&nbsp;=&nbsp;False&nbsp;&nbsp;<em>#&nbsp;\u6b63\u5e38\u663e\u793a\u8d1f\u53f7<\/em><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%E6%9D%A1%E5%BD%A2%E5%9B%BE_%E2%80%93_%E6%98%BE%E7%A4%BA%E4%B8%8D%E5%90%8C%E7%B1%BB%E5%88%AB%E7%9A%84%E6%95%B0%E9%87%8F%E5%B7%AE%E5%BC%82\"><\/span><strong>2. \u6761\u5f62\u56fe &#8211; \u663e\u793a\u4e0d\u540c\u7c7b\u522b\u7684\u6570\u91cf\u5dee\u5f02<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6761\u5f62\u56fe\u975e\u5e38\u9002\u5408\u6bd4\u8f83\u4e0d\u540c\u7c7b\u522b\u4e4b\u95f4\u7684\u6570\u503c\u5927\u5c0f\u3002\u4f8b\u5982\uff0c\u5c55\u793a\u67d0\u516c\u53f8\u4e0d\u540c\u90e8\u95e8\u7684\u9500\u552e\u989d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u6570\u636e\u51c6\u5907<\/em><br>labels&nbsp;=&nbsp;&#91;'\u5e02\u573a\u90e8',&nbsp;'\u9500\u552e\u90e8',&nbsp;'\u6280\u672f\u90e8']<br>sales&nbsp;=&nbsp;&#91;120,&nbsp;200,&nbsp;150]<br><br><em>#&nbsp;\u521b\u5efa\u6761\u5f62\u56fe<\/em><br>plt.figure(figsize=(8,&nbsp;6))<br>plt.bar(labels,&nbsp;sales,&nbsp;color='skyblue')<br>plt.title('\u5404\u90e8\u95e8\u9500\u552e\u989d')<br>plt.xlabel('\u90e8\u95e8')<br>plt.ylabel('\u9500\u552e\u989d\uff08\u4e07\u5143\uff09')<br>plt.show()<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa<\/strong>\uff1a\u4f60\u4f1a\u770b\u5230\u4e00\u4e2a\u6e05\u6670\u7684\u6761\u5f62\u56fe\uff0c\u5c55\u793a\u4e86\u6bcf\u4e2a\u90e8\u95e8\u7684\u9500\u552e\u989d\u3002\u8fd9\u79cd\u56fe\u76f4\u89c2\u5730\u53cd\u6620\u4e86\u5404\u4e2a\u90e8\u95e8\u4e4b\u95f4\u7684\u4e1a\u7ee9\u5dee\u5f02\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%E6%8A%98%E7%BA%BF%E5%9B%BE_%E2%80%93_%E5%B1%95%E7%A4%BA%E9%9A%8F%E6%97%B6%E9%97%B4%E5%8F%98%E5%8C%96%E7%9A%84%E8%B6%8B%E5%8A%BF\"><\/span><strong>3. \u6298\u7ebf\u56fe &#8211; \u5c55\u793a\u968f\u65f6\u95f4\u53d8\u5316\u7684\u8d8b\u52bf<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6298\u7ebf\u56fe\u7528\u6765\u89c2\u5bdf\u6570\u636e\u968f\u65f6\u95f4\u7684\u53d8\u5316\u8d8b\u52bf\u518d\u5408\u9002\u4e0d\u8fc7\u4e86\u3002\u4f8b\u5982\uff0c\u80a1\u7968\u4ef7\u683c\u6ce2\u52a8\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u751f\u6210\u6570\u636e<\/em><br>dates&nbsp;=&nbsp;np.arange(10)<br>prices&nbsp;=&nbsp;np.random.randn(10).cumsum()<br><br><em>#&nbsp;\u7ed8\u5236\u6298\u7ebf\u56fe<\/em><br>plt.figure(figsize=(10,&nbsp;5))<br>plt.plot(dates,&nbsp;prices,&nbsp;marker='o',&nbsp;linestyle='-',&nbsp;color='g')<br>plt.title('\u80a1\u4ef7\u8d70\u52bf')<br>plt.xlabel('\u65e5\u671f')<br>plt.ylabel('\u4ef7\u683c')<br>plt.grid(True)<br>plt.show()<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa<\/strong>\uff1a\u4e00\u4e2a\u7b80\u6d01\u7684\u6298\u7ebf\u56fe\u5c55\u73b0\u5728\u773c\u524d\uff0c\u6e05\u695a\u5730\u8868\u660e\u4e86\u80a1\u4ef7\u7684\u53d8\u52a8\u8f68\u8ff9\u3002\u6807\u8bb0\u70b9\uff08<code>marker='o'<\/code>\uff09\u589e\u52a0\u4e86\u53ef\u8bfb\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_%E6%95%A3%E7%82%B9%E5%9B%BE_%E2%80%93_%E6%8E%A2%E7%B4%A2%E5%8F%98%E9%87%8F%E9%97%B4%E7%9A%84%E5%85%B3%E7%B3%BB\"><\/span><strong>4. \u6563\u70b9\u56fe &#8211; \u63a2\u7d22\u53d8\u91cf\u95f4\u7684\u5173\u7cfb<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6563\u70b9\u56fe\u80fd\u5e2e\u52a9\u6211\u4eec\u53d1\u73b0\u4e24\u4e2a\u53d8\u91cf\u4e4b\u95f4\u7684\u5173\u7cfb\u6216\u6a21\u5f0f\u3002\u4f8b\u5982\uff0c\u7814\u7a76\u6536\u5165\u4e0e\u5e74\u9f84\u4e4b\u95f4\u7684\u5173\u8054\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u5047\u8bbe\u6570\u636e<\/em><br>ages&nbsp;=&nbsp;np.random.randint(20,&nbsp;60,&nbsp;size=100)<br>incomes&nbsp;=&nbsp;ages&nbsp;*&nbsp;1000&nbsp;+&nbsp;np.random.normal(0,&nbsp;50000,&nbsp;size=ages.shape)<br><br><em>#&nbsp;\u7ed8\u5236\u6563\u70b9\u56fe<\/em><br>plt.figure(figsize=(10,&nbsp;6))<br>plt.scatter(ages,&nbsp;incomes,&nbsp;alpha=0.6,&nbsp;edgecolors='w')<br>plt.title('\u5e74\u9f84\u4e0e\u6536\u5165\u5173\u7cfb')<br>plt.xlabel('\u5e74\u9f84')<br>plt.ylabel('\u5e74\u6536\u5165')<br>plt.grid(True)<br>plt.show()<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa<\/strong>\uff1a\u8fd9\u4e2a\u6563\u70b9\u56fe\u4e0d\u4ec5\u7f8e\u89c2\uff0c\u8fd8\u63ed\u793a\u4e86\u5e74\u9f84\u8d8a\u5927\uff0c\u6536\u5165\u8d8a\u9ad8\u7684\u8d8b\u52bf\u3002\u900f\u660e\u5ea6\uff08<code>alpha=0.6<\/code>\uff09\u907f\u514d\u4e86\u6570\u636e\u70b9\u91cd\u53e0\u5e26\u6765\u7684\u89c6\u89c9\u6df7\u4e71\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_%E9%A5%BC%E5%9B%BE_%E2%80%93_%E8%A1%A8%E7%A4%BA%E5%90%84%E9%83%A8%E5%88%86%E5%8D%A0%E6%AF%94\"><\/span><strong>5. \u997c\u56fe &#8211; \u8868\u793a\u5404\u90e8\u5206\u5360\u6bd4<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u997c\u56fe\u7279\u522b\u9002\u5408\u5c55\u793a\u6574\u4f53\u4e2d\u7684\u5404\u4e2a\u90e8\u5206\u6240\u5360\u7684\u6bd4\u4f8b\u3002\u4f8b\u5982\uff0c\u4e0d\u540c\u4ea7\u54c1\u7684\u5e02\u573a\u4efd\u989d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u6570\u636e<\/em><br>products&nbsp;=&nbsp;&#91;'\u4ea7\u54c1A',&nbsp;'\u4ea7\u54c1B',&nbsp;'\u4ea7\u54c1C',&nbsp;'\u4ea7\u54c1D']<br>market_share&nbsp;=&nbsp;&#91;30,&nbsp;25,&nbsp;20,&nbsp;25]<br><br><em>#&nbsp;\u7ed8\u5236\u997c\u56fe<\/em><br>plt.figure(figsize=(8,&nbsp;8))<br>plt.pie(market_share,&nbsp;labels=products,&nbsp;autopct='%1.1f%%',&nbsp;startangle=140)<br>plt.title('\u4ea7\u54c1\u5e02\u573a\u4efd\u989d')<br>plt.axis('equal')&nbsp;&nbsp;<em>#&nbsp;\u786e\u4fdd\u997c\u56fe\u662f\u5706\u5f62\u7684<\/em><br>plt.show()<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa<\/strong>\uff1a\u4e00\u5f20\u6e05\u6670\u7684\u997c\u56fe\uff0c\u7cbe\u786e\u5730\u8868\u73b0\u4e86\u6bcf\u79cd\u4ea7\u54c1\u5728\u5e02\u573a\u4e0a\u7684\u4efd\u989d\u6bd4\u4f8b\u3002\u8fd9\u6709\u52a9\u4e8e\u5feb\u901f\u4e86\u89e3\u54ea\u4e2a\u4ea7\u54c1\u6700\u53d7\u6b22\u8fce\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_%E7%9B%B4%E6%96%B9%E5%9B%BE_%E2%80%93_%E5%88%86%E6%9E%90%E6%95%B0%E6%8D%AE%E5%88%86%E5%B8%83\"><\/span><strong>6. \u76f4\u65b9\u56fe &#8211; \u5206\u6790\u6570\u636e\u5206\u5e03<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u76f4\u65b9\u56fe\u7528\u4e8e\u663e\u793a\u6570\u636e\u7684\u5206\u5e03\u60c5\u51b5\uff0c\u7279\u522b\u662f\u5728\u8fde\u7eed\u6570\u636e\u96c6\u4e0a\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u7528\u6765\u5206\u6790\u8003\u8bd5\u6210\u7ee9\u7684\u5206\u5e03\u60c5\u51b5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u751f\u6210\u6a21\u62df\u6570\u636e<\/em><br>scores&nbsp;=&nbsp;np.random.normal(loc=70,&nbsp;scale=15,&nbsp;size=1000)<br><br><em>#&nbsp;\u7ed8\u5236\u76f4\u65b9\u56fe<\/em><br>plt.figure(figsize=(10,&nbsp;6))<br>plt.hist(scores,&nbsp;bins=20,&nbsp;edgecolor='black',&nbsp;alpha=0.7)<br>plt.title('\u8003\u8bd5\u6210\u7ee9\u5206\u5e03')<br>plt.xlabel('\u5206\u6570')<br>plt.ylabel('\u4eba\u6570')<br>plt.grid(axis='y',&nbsp;linestyle='--',&nbsp;alpha=0.7)<br>plt.show()<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa<\/strong>\uff1a\u76f4\u65b9\u56fe\u6e05\u6670\u5730\u5c55\u793a\u4e86\u6210\u7ee9\u7684\u5206\u5e03\u60c5\u51b5\uff0c\u53ef\u4ee5\u770b\u5230\u5927\u591a\u6570\u5b66\u751f\u7684\u5206\u6570\u96c6\u4e2d\u5728\u67d0\u4e2a\u533a\u95f4\u5185\uff0c\u8fb9\u7f18\u5206\u5e03\u7684\u5b66\u751f\u8f83\u5c11\u3002\u8fd9\u6709\u52a9\u4e8e\u8001\u5e08\u4e86\u89e3\u5b66\u751f\u7684\u5b66\u4e60\u60c5\u51b5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_%E7%AE%B1%E5%BD%A2%E5%9B%BE_%E2%80%93_%E6%9F%A5%E7%9C%8B%E6%95%B0%E6%8D%AE%E5%BC%82%E5%B8%B8%E5%80%BC\"><\/span><strong>7. \u7bb1\u5f62\u56fe &#8211; \u67e5\u770b\u6570\u636e\u5f02\u5e38\u503c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u7bb1\u5f62\u56fe\u662f\u4e00\u79cd\u7edf\u8ba1\u56fe\u8868\uff0c\u7528\u4e8e\u663e\u793a\u4e00\u7ec4\u6570\u636e\u5206\u6563\u60c5\u51b5\u7684\u4e94\u6570\u6982\u62ec\uff08\u6700\u5c0f\u503c\u3001\u4e0b\u56db\u5206\u4f4d\u6570\u3001\u4e2d\u4f4d\u6570\u3001\u4e0a\u56db\u5206\u4f4d\u6570\u3001\u6700\u5927\u503c\uff09\uff0c\u5e76\u80fd\u6709\u6548\u8bc6\u522b\u5f02\u5e38\u503c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u751f\u6210\u6570\u636e<\/em><br>data&nbsp;=&nbsp;np.random.normal(loc=0,&nbsp;scale=1,&nbsp;size=(100,&nbsp;4))<br><br><em>#&nbsp;\u7ed8\u5236\u7bb1\u5f62\u56fe<\/em><br>plt.figure(figsize=(10,&nbsp;6))<br>plt.boxplot(data,&nbsp;vert=False,&nbsp;patch_artist=True,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;boxprops=dict(facecolor=\"skyblue\",&nbsp;color=\"black\"),<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;capprops=dict(color=\"black\"),<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;whiskerprops=dict(color=\"black\"),<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;flierprops=dict(color=\"red\",&nbsp;markeredgecolor=\"red\"),<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;medianprops=dict(color=\"black\"))<br>plt.title('\u6570\u636e\u5206\u5e03\u7bb1\u5f62\u56fe')<br>plt.xlabel('\u6570\u503c')<br>plt.grid(axis='x',&nbsp;linestyle='--',&nbsp;alpha=0.7)<br>plt.show()<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa<\/strong>\uff1a\u7bb1\u5f62\u56fe\u5c55\u793a\u4e86\u6570\u636e\u7684\u4e94\u6570\u6982\u62ec\uff0c\u5e76\u4e14\u7ea2\u8272\u7684\u70b9\u8868\u793a\u5f02\u5e38\u503c\u3002\u8fd9\u6837\u7684\u56fe\u5bf9\u4e8e\u6570\u636e\u5206\u6790\u975e\u5e38\u6709\u5e2e\u52a9\uff0c\u80fd\u591f\u5feb\u901f\u53d1\u73b0\u6570\u636e\u4e2d\u7684\u5f02\u5e38\u60c5\u51b5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_%E7%83%AD%E5%8A%9B%E5%9B%BE_%E2%80%93_%E8%A7%82%E5%AF%9F%E6%95%B0%E6%8D%AE%E7%9B%B8%E5%85%B3%E6%80%A7\"><\/span><strong>8. \u70ed\u529b\u56fe &#8211; \u89c2\u5bdf\u6570\u636e\u76f8\u5173\u6027<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u70ed\u529b\u56fe\u901a\u5e38\u7528\u4e8e\u89c2\u5bdf\u77e9\u9635\u6570\u636e\u7684\u76f8\u5173\u6027\u6216\u5bc6\u5ea6\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u7528\u6765\u67e5\u770b\u4e0d\u540c\u57ce\u5e02\u4e4b\u95f4\u7684\u6c14\u6e29\u5206\u5e03\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u751f\u6210\u6570\u636e<\/em><br>np.random.seed(0)<br>temperatures&nbsp;=&nbsp;np.random.rand(10,&nbsp;10)<br><br><em>#&nbsp;\u7ed8\u5236\u70ed\u529b\u56fe<\/em><br>plt.figure(figsize=(10,&nbsp;8))<br>plt.imshow(temperatures,&nbsp;cmap='hot',&nbsp;interpolation='nearest')<br>plt.colorbar(label='\u6e29\u5ea6')<br>plt.title('\u57ce\u5e02\u6c14\u6e29\u5206\u5e03')<br>plt.xticks(range(10),&nbsp;&#91;'\u57ce\u5e02%d'&nbsp;%&nbsp;i&nbsp;for&nbsp;i&nbsp;in&nbsp;range(10)])<br>plt.yticks(range(10),&nbsp;&#91;'\u57ce\u5e02%d'&nbsp;%&nbsp;i&nbsp;for&nbsp;i&nbsp;in&nbsp;range(10)])<br>plt.xlabel('\u57ce\u5e02')<br>plt.ylabel('\u57ce\u5e02')<br>plt.grid(False)<br>plt.show()<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa<\/strong>\uff1a\u70ed\u529b\u56fe\u5c55\u793a\u4e86\u4e0d\u540c\u57ce\u5e02\u4e4b\u95f4\u7684\u6c14\u6e29\u5206\u5e03\u60c5\u51b5\uff0c\u989c\u8272\u8d8a\u6df1\u8868\u793a\u6e29\u5ea6\u8d8a\u9ad8\u3002\u8fd9\u6837\u7684\u56fe\u5bf9\u4e8e\u5730\u7406\u5b66\u7814\u7a76\u975e\u5e38\u6709\u7528\uff0c\u80fd\u591f\u76f4\u89c2\u5730\u770b\u51fa\u4e0d\u540c\u5730\u533a\u7684\u6e29\u5ea6\u5dee\u5f02\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_%E9%9B%B7%E8%BE%BE%E5%9B%BE_%E2%80%93_%E6%AF%94%E8%BE%83%E5%A4%9A%E4%B8%AA%E7%BB%B4%E5%BA%A6\"><\/span><strong>9. \u96f7\u8fbe\u56fe &#8211; \u6bd4\u8f83\u591a\u4e2a\u7ef4\u5ea6<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u96f7\u8fbe\u56fe\u7528\u4e8e\u5c55\u793a\u591a\u7ef4\u5ea6\u6570\u636e\uff0c\u5e76\u4e14\u80fd\u591f\u6bd4\u8f83\u4e0d\u540c\u5bf9\u8c61\u5728\u5404\u4e2a\u7ef4\u5ea6\u4e0a\u7684\u8868\u73b0\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u7528\u6765\u6bd4\u8f83\u4e0d\u540c\u5458\u5de5\u5728\u5404\u9879\u80fd\u529b\u4e0a\u7684\u5f97\u5206\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u51c6\u5907\u6570\u636e<\/em><br>categories&nbsp;=&nbsp;&#91;'\u6280\u80fdA',&nbsp;'\u6280\u80fdB',&nbsp;'\u6280\u80fdC',&nbsp;'\u6280\u80fdD',&nbsp;'\u6280\u80fdE']<br>values&nbsp;=&nbsp;&#91;4,&nbsp;2,&nbsp;5,&nbsp;1,&nbsp;3]<br><br><em>#&nbsp;\u7ed8\u5236\u96f7\u8fbe\u56fe<\/em><br>angles&nbsp;=&nbsp;np.linspace(0,&nbsp;2&nbsp;*&nbsp;np.pi,&nbsp;len(categories),&nbsp;endpoint=False).tolist()<br>values&nbsp;+=&nbsp;values&#91;:1]&nbsp;&nbsp;<em>#&nbsp;\u95ed\u5408\u56fe\u5f62<\/em><br>angles&nbsp;+=&nbsp;angles&#91;:1]<br><br>fig,&nbsp;ax&nbsp;=&nbsp;plt.subplots(figsize=(8,&nbsp;8),&nbsp;subplot_kw=dict(polar=True))<br>ax.fill(angles,&nbsp;values,&nbsp;color='skyblue',&nbsp;alpha=0.25)<br>ax.set_theta_offset(np.pi&nbsp;\/&nbsp;2)<br>ax.set_theta_direction(-1)<br>ax.set_xticks(angles&#91;:-1])<br>ax.set_xticklabels(categories)<br>ax.set_rlabel_position(0)<br>plt.title('\u5458\u5de5\u6280\u80fd\u96f7\u8fbe\u56fe')<br>plt.show()<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa<\/strong>\uff1a\u96f7\u8fbe\u56fe\u5c55\u793a\u4e86\u5458\u5de5\u5728\u5404\u4e2a\u6280\u80fd\u4e0a\u7684\u5f97\u5206\u60c5\u51b5\uff0c\u989c\u8272\u586b\u5145\u4f7f\u5f97\u56fe\u8868\u66f4\u52a0\u7f8e\u89c2\u3002\u8fd9\u6837\u7684\u56fe\u5bf9\u4e8e\u4eba\u529b\u8d44\u6e90\u7ba1\u7406\u975e\u5e38\u6709\u7528\uff0c\u80fd\u591f\u5feb\u901f\u4e86\u89e3\u5458\u5de5\u7684\u4f18\u52bf\u548c\u4e0d\u8db3\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_%E7%82%B9%E7%8A%B6%E5%9B%BE_%E2%80%93_%E6%98%BE%E7%A4%BA%E7%A6%BB%E6%95%A3%E6%95%B0%E6%8D%AE\"><\/span><strong>10. \u70b9\u72b6\u56fe &#8211; \u663e\u793a\u79bb\u6563\u6570\u636e<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u70b9\u72b6\u56fe\u7528\u4e8e\u5c55\u793a\u79bb\u6563\u6570\u636e\u70b9\uff0c\u7279\u522b\u9002\u7528\u4e8e\u5c0f\u6837\u672c\u6570\u636e\u96c6\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u7528\u6765\u5c55\u793a\u4e0d\u540c\u73ed\u7ea7\u7684\u5e73\u5747\u6210\u7ee9\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u51c6\u5907\u6570\u636e<\/em><br>class_labels&nbsp;=&nbsp;&#91;'\u4e00\u73ed',&nbsp;'\u4e8c\u73ed',&nbsp;'\u4e09\u73ed',&nbsp;'\u56db\u73ed']<br>class_averages&nbsp;=&nbsp;&#91;75,&nbsp;80,&nbsp;85,&nbsp;90]<br><br><em>#&nbsp;\u7ed8\u5236\u70b9\u72b6\u56fe<\/em><br>plt.figure(figsize=(10,&nbsp;6))<br>plt.scatter(class_labels,&nbsp;class_averages,&nbsp;s=100,&nbsp;color='green',&nbsp;marker='o',&nbsp;edgecolors='black')<br>plt.title('\u73ed\u7ea7\u5e73\u5747\u6210\u7ee9')<br>plt.xlabel('\u73ed\u7ea7')<br>plt.ylabel('\u5e73\u5747\u6210\u7ee9')<br>plt.grid(axis='y',&nbsp;linestyle='--',&nbsp;alpha=0.7)<br>plt.show()<\/code><\/pre>\n\n\n\n<p><strong>\u8f93\u51fa<\/strong>\uff1a\u70b9\u72b6\u56fe\u5c55\u793a\u4e86\u4e0d\u540c\u73ed\u7ea7\u7684\u5e73\u5747\u6210\u7ee9\uff0c\u5927\u70b9\uff08<code>s=100<\/code>\uff09\u4f7f\u5f97\u56fe\u8868\u66f4\u52a0\u9192\u76ee\u3002\u8fd9\u6837\u7684\u56fe\u5bf9\u4e8e\u6559\u80b2\u8bc4\u4f30\u975e\u5e38\u6709\u7528\uff0c\u80fd\u591f\u5feb\u901f\u4e86\u89e3\u4e0d\u540c\u73ed\u7ea7\u7684\u6210\u7ee9\u60c5\u51b5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%AE%9E%E6%88%98%E6%A1%88%E4%BE%8B%EF%BC%9A%E9%94%80%E5%94%AE%E6%95%B0%E6%8D%AE%E5%8F%AF%E8%A7%86%E5%8C%96\"><\/span><strong>\u5b9e\u6218\u6848\u4f8b\uff1a\u9500\u552e\u6570\u636e\u53ef\u89c6\u5316<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5047\u8bbe\u4f60\u662f\u4e00\u5bb6\u516c\u53f8\u7684\u6570\u636e\u5206\u6790\u5e08\uff0c\u4f60\u9700\u8981\u4e3a\u9500\u552e\u56e2\u961f\u5236\u4f5c\u4e00\u4efd\u9500\u552e\u62a5\u544a\u3002\u62a5\u544a\u4e2d\u9700\u8981\u5305\u542b\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n\n\n\n<p><strong>1.<\/strong> \u4e0d\u540c\u4ea7\u54c1\u7684\u9500\u552e\u989d\u5bf9\u6bd4\u3002<strong>2.<\/strong> \u8fc7\u53bb\u4e00\u5e74\u7684\u6708\u5ea6\u9500\u552e\u989d\u8d8b\u52bf\u3002<strong>3.<\/strong> \u4e0d\u540c\u5730\u533a\u9500\u552e\u989d\u7684\u5206\u5e03\u60c5\u51b5\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u524d\u9762\u4ecb\u7ecd\u7684\u5404\u79cd\u56fe\u8868\u6765\u5b8c\u6210\u8fd9\u4efd\u62a5\u544a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BA%A7%E5%93%81%E9%94%80%E5%94%AE%E9%A2%9D%E5%AF%B9%E6%AF%94\"><\/span><strong>\u4ea7\u54c1\u9500\u552e\u989d\u5bf9\u6bd4<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u6570\u636e<\/em><br>products&nbsp;=&nbsp;&#91;'\u4ea7\u54c1A',&nbsp;'\u4ea7\u54c1B',&nbsp;'\u4ea7\u54c1C',&nbsp;'\u4ea7\u54c1D']<br>sales&nbsp;=&nbsp;&#91;120,&nbsp;200,&nbsp;150,&nbsp;180]<br><br><em>#&nbsp;\u7ed8\u5236\u6761\u5f62\u56fe<\/em><br>plt.figure(figsize=(10,&nbsp;6))<br>plt.bar(products,&nbsp;sales,&nbsp;color='skyblue')<br>plt.title('\u4ea7\u54c1\u9500\u552e\u989d\u5bf9\u6bd4')<br>plt.xlabel('\u4ea7\u54c1')<br>plt.ylabel('\u9500\u552e\u989d\uff08\u4e07\u5143\uff09')<br>plt.grid(axis='y',&nbsp;linestyle='--',&nbsp;alpha=0.7)<br>plt.show()<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%9C%88%E5%BA%A6%E9%94%80%E5%94%AE%E9%A2%9D%E8%B6%8B%E5%8A%BF\"><\/span><strong>\u6708\u5ea6\u9500\u552e\u989d\u8d8b\u52bf<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u751f\u6210\u6570\u636e<\/em><br>months&nbsp;=&nbsp;&#91;'Jan',&nbsp;'Feb',&nbsp;'Mar',&nbsp;'Apr',&nbsp;'May',&nbsp;'Jun',&nbsp;'Jul',&nbsp;'Aug',&nbsp;'Sep',&nbsp;'Oct',&nbsp;'Nov',&nbsp;'Dec']<br>monthly_sales&nbsp;=&nbsp;np.random.randint(100,&nbsp;200,&nbsp;size=12)<br><br><em>#&nbsp;\u7ed8\u5236\u6298\u7ebf\u56fe<\/em><br>plt.figure(figsize=(10,&nbsp;6))<br>plt.plot(months,&nbsp;monthly_sales,&nbsp;marker='o',&nbsp;linestyle='-',&nbsp;color='g')<br>plt.title('\u6708\u5ea6\u9500\u552e\u989d\u8d8b\u52bf')<br>plt.xlabel('\u6708\u4efd')<br>plt.ylabel('\u9500\u552e\u989d\uff08\u4e07\u5143\uff09')<br>plt.grid(axis='y',&nbsp;linestyle='--',&nbsp;alpha=0.7)<br>plt.show()<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%9C%B0%E5%8C%BA%E9%94%80%E5%94%AE%E9%A2%9D%E5%88%86%E5%B8%83\"><\/span><strong>\u5730\u533a\u9500\u552e\u989d\u5206\u5e03<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code><em>#&nbsp;\u6570\u636e<\/em><br>regions&nbsp;=&nbsp;&#91;'\u534e\u4e1c',&nbsp;'\u534e\u5357',&nbsp;'\u534e\u5317',&nbsp;'\u534e\u897f']<br>regional_sales&nbsp;=&nbsp;&#91;300,&nbsp;250,&nbsp;200,&nbsp;150]<br><br><em>#&nbsp;\u7ed8\u5236\u997c\u56fe<\/em><br>plt.figure(figsize=(8,&nbsp;8))<br>plt.pie(regional_sales,&nbsp;labels=regions,&nbsp;autopct='%1.1f%%',&nbsp;startangle=140)<br>plt.title('\u5730\u533a\u9500\u552e\u989d\u5206\u5e03')<br>plt.axis('equal')<br>plt.show()<\/code><\/pre>\n\n\n\n<p>\u901a\u8fc7\u8fd9\u4e9b\u56fe\u8868\uff0c\u9500\u552e\u56e2\u961f\u53ef\u4ee5\u5feb\u901f\u4e86\u89e3\u4e0d\u540c\u4ea7\u54c1\u7684\u9500\u552e\u989d\u3001\u6708\u5ea6\u9500\u552e\u989d\u7684\u8d8b\u52bf\u4ee5\u53ca\u4e0d\u540c\u5730\u533a\u7684\u9500\u552e\u989d\u5206\u5e03\u60c5\u51b5\uff0c\u4ece\u800c\u5236\u5b9a\u76f8\u5e94\u7684\u7b56\u7565\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%80%BB%E7%BB%93\"><\/span><strong>\u603b\u7ed3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86Matplotlib\u4e2d10\u79cd\u5e38\u7528\u7684\u56fe\u8868\u7c7b\u578b\u53ca\u5176\u7ed8\u5236\u65b9\u6cd5\u3002\u8fd9\u4e9b\u56fe\u8868\u4e0d\u4ec5\u7f8e\u89c2\u5b9e\u7528\uff0c\u8fd8\u80fd\u5e2e\u52a9\u7528\u6237\u66f4\u597d\u5730\u7406\u89e3\u548c\u5206\u6790\u6570\u636e\u3002\u901a\u8fc7\u5b9e\u9645\u6848\u4f8b\u7684\u5e94\u7528\uff0c\u6211\u4eec\u8fdb\u4e00\u6b65\u5c55\u793a\u4e86\u5982\u4f55\u5229\u7528\u8fd9\u4e9b\u56fe\u8868\u6765\u8fdb\u884c\u6709\u6548\u7684\u6570\u636e\u53ef\u89c6\u5316\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u8bfb\u8005\u638c\u63e1Matplotlib\u7684\u6838\u5fc3\u529f\u80fd\uff0c\u63d0\u9ad8\u6570\u636e\u5206\u6790\u7684\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 Matplotlib\u4f5c\u4e3aPython\u4e2d\u6700\u53d7\u6b22\u8fce\u7684\u7ed8\u56fe\u5e93\u4e4b\u4e00\uff0c\u80fd\u591f\u8f7b\u677e\u5e94\u5bf9\u4ece\u7b80\u5355\u5230\u590d\u6742\u7684\u6570\u636e\u53ef\u89c6&hellip; <a href=\"http:\/\/viplao.com\/index.php\/2024\/11\/23\/python%e5%9f%ba%e7%a1%80%e6%8a%80%e8%83%bd-%e6%95%b0%e6%8d%ae%e5%8f%af%e8%a7%86%e5%8c%96%e4%b8%admatplotlib%e7%9a%8410%e4%b8%aa%e7%b2%be%e7%be%8e%e5%9b%be%e8%a1%a8\/\" class=\"more-link read-more\" rel=\"bookmark\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text\">PYTHON\u57fa\u7840\u6280\u80fd \u2013\u00a0\u6570\u636e\u53ef\u89c6\u5316\u4e2dMatplotlib\u768410\u4e2a\u7cbe\u7f8e\u56fe\u8868<\/span><i class=\"fa 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