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    "result": {"data":{"markdownRemark":{"html":"<p>Below, we have read the <del>budget.xlsx</del> file into a DataFrame.</p>\n<pre class=\"grvsc-container synthwave-84\" data-language=\"py\" data-index=\"0\"><code class=\"grvsc-code\"><span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"1\"></span><span class=\"grvsc-source\"><span class=\"mtk10\">import</span><span class=\"mtk15\"> pandas </span><span class=\"mtk10\">as</span><span class=\"mtk15\"> pd</span></span></span>\n<span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"2\"></span><span class=\"grvsc-source\"></span></span>\n<span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"3\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">budget </span><span class=\"mtk12\">=</span><span class=\"mtk15\"> pd.</span><span class=\"mtk6\">read_excel</span><span class=\"mtk15\">(</span><span class=\"mtk16\">&quot;budget.xlsx&quot;</span><span class=\"mtk15\">)</span></span></span>\n<span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"4\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">budget</span></span></span></code></pre>\n<p><strong>Output:</strong></p>\n<p><span\n      class=\"gatsby-resp-image-wrapper\"\n      style=\"position: relative; display: block; margin-left: auto; margin-right: auto; max-width: 554px; \"\n    >\n      <a\n    class=\"gatsby-resp-image-link\"\n    href=\"/static/c795e0f9fa9dc1e3f0b34c13eb32d346/b4bb7/budgetNan.png\"\n    style=\"display: block\"\n    target=\"_blank\"\n    rel=\"noopener\"\n  >\n    <span\n    class=\"gatsby-resp-image-background-image\"\n    style=\"padding-bottom: 73.5%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,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'); background-size: cover; display: block;\"\n  ></span>\n  <img\n        class=\"gatsby-resp-image-image\"\n        alt=\"Budget\"\n        title=\"Budget\"\n        src=\"/static/c795e0f9fa9dc1e3f0b34c13eb32d346/b4bb7/budgetNan.png\"\n        srcset=\"/static/c795e0f9fa9dc1e3f0b34c13eb32d346/56d15/budgetNan.png 200w,\n/static/c795e0f9fa9dc1e3f0b34c13eb32d346/d9f49/budgetNan.png 400w,\n/static/c795e0f9fa9dc1e3f0b34c13eb32d346/b4bb7/budgetNan.png 554w\"\n        sizes=\"(max-width: 554px) 100vw, 554px\"\n        style=\"width:100%;height:100%;margin:0;vertical-align:middle;position:absolute;top:0;left:0;\"\n        loading=\"lazy\"\n        decoding=\"async\"\n      />\n  </a>\n    </span></p>\n<p>We can see that we have two rows with missing values. The 3rd row (<em>index no 2</em>) has one missing value, while the 12th row (<em>index no 11</em>) has all missing values.</p>\n<blockquote>\n<p>Pandas, by default, marks missing values as <del>NaN</del>.</p>\n</blockquote>\n<h3 id=\"dropna-\" style=\"position:relative;\"><a href=\"#dropna-\" aria-label=\"dropna  permalink\" class=\"anchor before\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"16\" version=\"1.1\" viewBox=\"0 0 16 16\" width=\"16\"><path fill-rule=\"evenodd\" d=\"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"></path></svg></a>dropna( )</h3>\n<p>The <del>dropna()</del> method will drop the rows where at least one element is missing.</p>\n<pre class=\"grvsc-container synthwave-84\" data-language=\"py\" data-index=\"1\"><code class=\"grvsc-code\"><span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"1\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">budget.</span><span class=\"mtk6\">dropna</span><span class=\"mtk15\">(</span><span class=\"mtk8 mtki\">inplace</span><span class=\"mtk15\"> </span><span class=\"mtk12\">=</span><span class=\"mtk15\"> </span><span class=\"mtk5\">True</span><span class=\"mtk15\">)</span></span></span>\n<span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"2\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">budget</span></span></span></code></pre>\n<p>We pass <del>inplace = True</del> in order to make the changes to the DataFrame permanent.</p>\n<p><strong>Output:</strong></p>\n<p><span\n      class=\"gatsby-resp-image-wrapper\"\n      style=\"position: relative; display: block; margin-left: auto; margin-right: auto; max-width: 560px; \"\n    >\n      <a\n    class=\"gatsby-resp-image-link\"\n    href=\"/static/f1a9fd866f5bcc876b6aac22c2cd68a1/6d7b8/nanDropped.png\"\n    style=\"display: block\"\n    target=\"_blank\"\n    rel=\"noopener\"\n  >\n    <span\n    class=\"gatsby-resp-image-background-image\"\n    style=\"padding-bottom: 64.99999999999999%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,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'); background-size: cover; display: block;\"\n  ></span>\n  <img\n        class=\"gatsby-resp-image-image\"\n        alt=\"NaN Removed\"\n        title=\"NaN Removed\"\n        src=\"/static/f1a9fd866f5bcc876b6aac22c2cd68a1/6d7b8/nanDropped.png\"\n        srcset=\"/static/f1a9fd866f5bcc876b6aac22c2cd68a1/56d15/nanDropped.png 200w,\n/static/f1a9fd866f5bcc876b6aac22c2cd68a1/d9f49/nanDropped.png 400w,\n/static/f1a9fd866f5bcc876b6aac22c2cd68a1/6d7b8/nanDropped.png 560w\"\n        sizes=\"(max-width: 560px) 100vw, 560px\"\n        style=\"width:100%;height:100%;margin:0;vertical-align:middle;position:absolute;top:0;left:0;\"\n        loading=\"lazy\"\n        decoding=\"async\"\n      />\n  </a>\n    </span></p>\n<p>As we can see, both the 3rd and the 12th rows have been removed.</p>\n<p>What if we want to drop rows only where all elements are missing? In other words, what if we want to remove only the 12th row?</p>\n<p>We can do so by passing a value of <del>all</del> to the <del>how</del> parameter in the <del>dropna()</del> method.</p>\n<blockquote>\n<p>In the <del>dropna()</del> method, the default value of the <del>how</del> parameter is <del>any</del>.</p>\n</blockquote>\n<pre class=\"grvsc-container synthwave-84\" data-language=\"py\" data-index=\"2\"><code class=\"grvsc-code\"><span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"1\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">budget.</span><span class=\"mtk6\">dropna</span><span class=\"mtk15\">(</span><span class=\"mtk8 mtki\">how</span><span class=\"mtk15\"> </span><span class=\"mtk12\">=</span><span class=\"mtk15\"> </span><span class=\"mtk16\">&quot;all&quot;</span><span class=\"mtk15\">, </span><span class=\"mtk8 mtki\">inplace</span><span class=\"mtk15\"> </span><span class=\"mtk12\">=</span><span class=\"mtk15\"> </span><span class=\"mtk5\">True</span><span class=\"mtk15\">)</span></span></span>\n<span class=\"grvsc-line\"><span class=\"grvsc-gutter-pad\"></span><span class=\"grvsc-gutter grvsc-line-number\" aria-hidden=\"true\" data-content=\"2\"></span><span class=\"grvsc-source\"><span class=\"mtk15\">budget</span></span></span></code></pre>\n<p><strong>Output:</strong></p>\n<p><span\n      class=\"gatsby-resp-image-wrapper\"\n      style=\"position: relative; display: block; margin-left: auto; margin-right: auto; max-width: 579px; \"\n    >\n      <a\n    class=\"gatsby-resp-image-link\"\n    href=\"/static/266890667df149b5f9ff6625ee857c96/ff2d6/allNanDropped.png\"\n    style=\"display: block\"\n    target=\"_blank\"\n    rel=\"noopener\"\n  >\n    <span\n    class=\"gatsby-resp-image-background-image\"\n    style=\"padding-bottom: 68%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,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'); background-size: cover; display: block;\"\n  ></span>\n  <img\n        class=\"gatsby-resp-image-image\"\n        alt=\"NaN Removed\"\n        title=\"NaN Removed\"\n        src=\"/static/266890667df149b5f9ff6625ee857c96/ff2d6/allNanDropped.png\"\n        srcset=\"/static/266890667df149b5f9ff6625ee857c96/56d15/allNanDropped.png 200w,\n/static/266890667df149b5f9ff6625ee857c96/d9f49/allNanDropped.png 400w,\n/static/266890667df149b5f9ff6625ee857c96/ff2d6/allNanDropped.png 579w\"\n        sizes=\"(max-width: 579px) 100vw, 579px\"\n        style=\"width:100%;height:100%;margin:0;vertical-align:middle;position:absolute;top:0;left:0;\"\n        loading=\"lazy\"\n        decoding=\"async\"\n      />\n  </a>\n    </span></p>\n<p>As we can see the 12th row where all values were missing has been removed; however, the 3rd row where only one value is missing remains in the DataFrame.</p>\n<style class=\"grvsc-styles\">\n  .grvsc-container {\n    overflow: auto;\n    position: relative;\n    -webkit-overflow-scrolling: touch;\n    padding-top: 1rem;\n    padding-top: var(--grvsc-padding-top, var(--grvsc-padding-v, 1rem));\n    padding-bottom: 1rem;\n    padding-bottom: var(--grvsc-padding-bottom, var(--grvsc-padding-v, 1rem));\n    border-radius: 8px;\n    border-radius: var(--grvsc-border-radius, 8px);\n    font-feature-settings: normal;\n    line-height: 1.4;\n  }\n  \n  .grvsc-code {\n    display: table;\n  }\n  \n  .grvsc-line {\n    display: table-row;\n    box-sizing: border-box;\n    width: 100%;\n    position: relative;\n  }\n  \n  .grvsc-line > * {\n    position: relative;\n  }\n  \n  .grvsc-gutter-pad {\n    display: table-cell;\n    padding-left: 0.75rem;\n    padding-left: calc(var(--grvsc-padding-left, var(--grvsc-padding-h, 1.5rem)) / 2);\n  }\n  \n  .grvsc-gutter {\n    display: table-cell;\n    -webkit-user-select: none;\n    -moz-user-select: none;\n    user-select: none;\n  }\n  \n  .grvsc-gutter::before {\n    content: attr(data-content);\n  }\n  \n  .grvsc-source {\n    display: table-cell;\n    padding-left: 1.5rem;\n    padding-left: var(--grvsc-padding-left, var(--grvsc-padding-h, 1.5rem));\n    padding-right: 1.5rem;\n    padding-right: var(--grvsc-padding-right, var(--grvsc-padding-h, 1.5rem));\n  }\n  \n  .grvsc-source:empty::after {\n    content: ' ';\n    -webkit-user-select: none;\n    -moz-user-select: none;\n    user-select: none;\n  }\n  \n  .grvsc-gutter + .grvsc-source {\n    padding-left: 0.75rem;\n    padding-left: calc(var(--grvsc-padding-left, var(--grvsc-padding-h, 1.5rem)) / 2);\n  }\n  \n  /* Line transformer styles */\n  \n  .grvsc-has-line-highlighting > .grvsc-code > .grvsc-line::before {\n    content: ' ';\n    position: absolute;\n    width: 100%;\n  }\n  \n  .grvsc-line-diff-add::before {\n    background-color: var(--grvsc-line-diff-add-background-color, rgba(0, 255, 60, 0.2));\n  }\n  \n  .grvsc-line-diff-del::before {\n    background-color: var(--grvsc-line-diff-del-background-color, rgba(255, 0, 20, 0.2));\n  }\n  \n  .grvsc-line-number {\n    padding: 0 2px;\n    text-align: right;\n    opacity: 0.7;\n  }\n  \n  .synthwave-84 { background-color: #262335; }\n  .synthwave-84 .mtki { font-style: italic; }\n  .synthwave-84 .mtk10 { color: #FEDE5D; }\n  .synthwave-84 .mtk15 { color: #FF7EDBFF; }\n  .synthwave-84 .mtk12 { color: #FFFFFFEE; }\n  .synthwave-84 .mtk6 { color: #36F9F6; }\n  .synthwave-84 .mtk16 { color: #FF8B39; }\n  .synthwave-84 .mtk8 { color: #72F1B8; }\n  .synthwave-84 .mtk5 { color: #F97E72; }\n  .synthwave-84 .grvsc-line-highlighted::before {\n    background-color: var(--grvsc-line-highlighted-background-color, rgba(255, 255, 255, 0.1));\n    box-shadow: inset var(--grvsc-line-highlighted-border-width, 4px) 0 0 0 var(--grvsc-line-highlighted-border-color, rgba(255, 255, 255, 0.5));\n  }\n</style>","frontmatter":{"title":"Delete Rows With Null Values in a Pandas DataFrame","date":"2021-08-07"}}},"pageContext":{"slug":"/delete-rows-with-null-values-in-a-pandas-dataframe/","prev":{"fields":{"slug":"/convert-floating-point-numbers-to-integers-in-pandas/"},"frontmatter":{"modules":null}},"next":{"fields":{"slug":"/fill-in-null-values-in-a-pandas-dataframe-using-the-fillna-method/"},"frontmatter":{"modules":null}}}},
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