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<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Category Axis | Chart.js</title>
<meta name="generator" content="VuePress 1.9.7">
<link rel="icon" href="/docs/4.1.0/favicon.ico">
<meta name="description" content="Open source HTML5 Charts for your website">
<link rel="preload" href="/docs/4.1.0/assets/css/0.styles.b07f9cc4.css" as="style"><link rel="preload" href="/docs/4.1.0/assets/js/app.23f15684.js" as="script"><link rel="preload" href="/docs/4.1.0/assets/js/2.861276ab.js" as="script"><link rel="preload" href="/docs/4.1.0/assets/js/134.904c6cf2.js" as="script"><link rel="prefetch" href="/docs/4.1.0/assets/js/10.9fed78f4.js"><link rel="prefetch" href="/docs/4.1.0/assets/js/100.42f8240f.js"><link rel="prefetch" href="/docs/4.1.0/assets/js/101.b0147e79.js"><link rel="prefetch" href="/docs/4.1.0/assets/js/102.0cdd1d64.js"><link rel="prefetch" href="/docs/4.1.0/assets/js/103.24d3966c.js"><link rel="prefetch" href="/docs/4.1.0/assets/js/104.2415b9d0.js"><link rel="prefetch" href="/docs/4.1.0/assets/js/105.44985153.js"><link rel="prefetch" href="/docs/4.1.0/assets/js/106.c5bd1f53.js"><link rel="prefetch" href="/docs/4.1.0/assets/js/107.c220e025.js"><link rel="prefetch" href="/docs/4.1.0/assets/js/108.54b6b1e5.js"><link rel="prefetch" 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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><a href="/docs/4.1.0/" aria-current="page" class="sidebar-link">Chart.js</a></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Getting Started</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>General</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Configuration</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Chart Types</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>Axes</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/docs/4.1.0/axes/" aria-current="page" class="sidebar-link">Axes</a></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading open"><span>Cartesian</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/docs/4.1.0/axes/cartesian/" aria-current="page" class="sidebar-link">Cartesian Axes</a></li><li><a href="/docs/4.1.0/axes/cartesian/category.html" aria-current="page" class="active sidebar-link">Category Axis</a></li><li><a href="/docs/4.1.0/axes/cartesian/linear.html" class="sidebar-link">Linear Axis</a></li><li><a href="/docs/4.1.0/axes/cartesian/logarithmic.html" class="sidebar-link">Logarithmic Axis</a></li><li><a href="/docs/4.1.0/axes/cartesian/time.html" class="sidebar-link">Time Cartesian Axis</a></li><li><a href="/docs/4.1.0/axes/cartesian/timeseries.html" class="sidebar-link">Time Series Axis</a></li></ul></section></li><li><section class="sidebar-group collapsable is-sub-group depth-1"><p class="sidebar-heading"><span>Radial</span> <span class="arrow right"></span></p> <!----></section></li><li><a href="/docs/4.1.0/axes/labelling.html" class="sidebar-link">Labeling Axes</a></li><li><a href="/docs/4.1.0/axes/styling.html" class="sidebar-link">Styling</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Developers</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Migration</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="category-axis"><a href="#category-axis" class="header-anchor">#</a> Category Axis</h1> <p>If the global configuration is used, labels are drawn from one of the label arrays included in the chart data. If only <code>data.labels</code> is defined, this will be used. If <code>data.xLabels</code> is defined and the axis is horizontal, this will be used. Similarly, if <code>data.yLabels</code> is defined and the axis is vertical, this property will be used. Using both <code>xLabels</code> and <code>yLabels</code> together can create a chart that uses strings for both the X and Y axes.</p> <p>Specifying any of the settings above defines the x-axis as <code>type: 'category'</code> if not defined otherwise. For more fine-grained control of category labels, it is also possible to add <code>labels</code> as part of the category axis definition. Doing so does not apply the global defaults.</p> <h2 id="category-axis-definition"><a href="#category-axis-definition" class="header-anchor">#</a> Category Axis Definition</h2> <p>Globally:</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code><span class="token keyword">let</span> chart <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Chart</span><span class="token punctuation">(</span>ctx<span class="token punctuation">,</span> <span class="token punctuation">{</span>
<span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token operator">...</span>
<span class="token literal-property property">data</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">labels</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">'January'</span><span class="token punctuation">,</span> <span class="token string">'February'</span><span class="token punctuation">,</span> <span class="token string">'March'</span><span class="token punctuation">,</span> <span class="token string">'April'</span><span class="token punctuation">,</span> <span class="token string">'May'</span><span class="token punctuation">,</span> <span class="token string">'June'</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token literal-property property">datasets</span><span class="token operator">:</span> <span class="token operator">...</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><p>As part of axis definition:</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code><span class="token keyword">let</span> chart <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Chart</span><span class="token punctuation">(</span>ctx<span class="token punctuation">,</span> <span class="token punctuation">{</span>
<span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token operator">...</span>
<span class="token literal-property property">data</span><span class="token operator">:</span> <span class="token operator">...</span>
<span class="token literal-property property">options</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">scales</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">x</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token string">'category'</span><span class="token punctuation">,</span>
<span class="token literal-property property">labels</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">'January'</span><span class="token punctuation">,</span> <span class="token string">'February'</span><span class="token punctuation">,</span> <span class="token string">'March'</span><span class="token punctuation">,</span> <span class="token string">'April'</span><span class="token punctuation">,</span> <span class="token string">'May'</span><span class="token punctuation">,</span> <span class="token string">'June'</span><span class="token punctuation">]</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><h2 id="configuration-options"><a href="#configuration-options" class="header-anchor">#</a> Configuration Options</h2> <h3 id="category-axis-specific-options"><a href="#category-axis-specific-options" class="header-anchor">#</a> Category Axis specific options</h3> <p>Namespace: <code>options.scales[scaleId]</code></p> <table><thead><tr><th>Name</th> <th>Type</th> <th>Description</th></tr></thead> <tbody><tr><td><code>min</code></td> <td><code>string</code>|<code>number</code></td> <td>The minimum item to display. <a href="#min-max-configuration">more...</a></td></tr> <tr><td><code>max</code></td> <td><code>string</code>|<code>number</code></td> <td>The maximum item to display. <a href="#min-max-configuration">more...</a></td></tr> <tr><td><code>labels</code></td> <td><code>string[]</code>|<code>string[][]</code></td> <td>An array of labels to display. When an individual label is an array of strings, each item is rendered on a new line.</td></tr></tbody></table> <h3 id="common-options-to-all-cartesian-axes"><a href="#common-options-to-all-cartesian-axes" class="header-anchor">#</a> Common options to all cartesian axes</h3> <p>Namespace: <code>options.scales[scaleId]</code></p> <table><thead><tr><th>Name</th> <th>Type</th> <th>Default</th> <th>Description</th></tr></thead> <tbody><tr><td><code>bounds</code></td> <td><code>string</code></td> <td><code>'ticks'</code></td> <td>Determines the scale bounds. <a href="/docs/4.1.0/axes/cartesian/#scale-bounds">more...</a></td></tr> <tr><td><code>position</code></td> <td><code>string</code> | <code>object</code></td> <td></td> <td>Position of the axis. <a href="/docs/4.1.0/axes/cartesian/#axis-position">more...</a></td></tr> <tr><td><code>stack</code></td> <td><code>string</code></td> <td></td> <td>Stack group. Axes at the same <code>position</code> with same <code>stack</code> are stacked.</td></tr> <tr><td><code>stackWeight</code></td> <td><code>number</code></td> <td>1</td> <td>Weight of the scale in stack group. Used to determine the amount of allocated space for the scale within the group.</td></tr> <tr><td><code>axis</code></td> <td><code>string</code></td> <td></td> <td>Which type of axis this is. Possible values are: <code>'x'</code>, <code>'y'</code>. If not set, this is inferred from the first character of the ID which should be <code>'x'</code> or <code>'y'</code>.</td></tr> <tr><td><code>offset</code></td> <td><code>boolean</code></td> <td><code>false</code></td> <td>If true, extra space is added to the both edges and the axis is scaled to fit into the chart area. This is set to <code>true</code> for a bar chart by default.</td></tr> <tr><td><code>title</code></td> <td><code>object</code></td> <td></td> <td>Scale title configuration. <a href="/docs/4.1.0/axes/labelling.html#scale-title-configuration">more...</a></td></tr></tbody></table> <h3 id="common-options-to-all-axes"><a href="#common-options-to-all-axes" class="header-anchor">#</a> Common options to all axes</h3> <p>Namespace: <code>options.scales[scaleId]</code></p> <table><thead><tr><th>Name</th> <th>Type</th> <th>Default</th> <th>Description</th></tr></thead> <tbody><tr><td><code>type</code></td> <td><code>string</code></td> <td></td> <td>Type of scale being employed. Custom scales can be created and registered with a string key. This allows changing the type of an axis for a chart.</td></tr> <tr><td><code>alignToPixels</code></td> <td><code>boolean</code></td> <td><code>false</code></td> <td>Align pixel values to device pixels.</td></tr> <tr><td><code>backgroundColor</code></td> <td><a href="/docs/4.1.0/general/colors.html"><code>Color</code></a></td> <td></td> <td>Background color of the scale area.</td></tr> <tr><td><code>border</code></td> <td><code>object</code></td> <td></td> <td>Border configuration. <a href="/docs/4.1.0/axes/styling.html#border-configuration">more...</a></td></tr> <tr><td><code>display</code></td> <td><code>boolean</code>|<code>string</code></td> <td><code>true</code></td> <td>Controls the axis global visibility (visible when <code>true</code>, hidden when <code>false</code>). When <code>display: 'auto'</code>, the axis is visible only if at least one associated dataset is visible.</td></tr> <tr><td><code>grid</code></td> <td><code>object</code></td> <td></td> <td>Grid line configuration. <a href="/docs/4.1.0/axes/styling.html#grid-line-configuration">more...</a></td></tr> <tr><td><code>min</code></td> <td><code>number</code></td> <td></td> <td>User defined minimum number for the scale, overrides minimum value from data. <a href="/docs/4.1.0/axes/#axis-range-settings">more...</a></td></tr> <tr><td><code>max</code></td> <td><code>number</code></td> <td></td> <td>User defined maximum number for the scale, overrides maximum value from data. <a href="/docs/4.1.0/axes/#axis-range-settings">more...</a></td></tr> <tr><td><code>reverse</code></td> <td><code>boolean</code></td> <td><code>false</code></td> <td>Reverse the scale.</td></tr> <tr><td><code>stacked</code></td> <td><code>boolean</code>|<code>string</code></td> <td><code>false</code></td> <td>Should the data be stacked. <a href="/docs/4.1.0/axes/#stacking">more...</a></td></tr> <tr><td><code>suggestedMax</code></td> <td><code>number</code></td> <td></td> <td>Adjustment used when calculating the maximum data value. <a href="/docs/4.1.0/axes/#axis-range-settings">more...</a></td></tr> <tr><td><code>suggestedMin</code></td> <td><code>number</code></td> <td></td> <td>Adjustment used when calculating the minimum data value. <a href="/docs/4.1.0/axes/#axis-range-settings">more...</a></td></tr> <tr><td><code>ticks</code></td> <td><code>object</code></td> <td></td> <td>Tick configuration. <a href="/docs/4.1.0/axes/#tick-configuration">more...</a></td></tr> <tr><td><code>weight</code></td> <td><code>number</code></td> <td><code>0</code></td> <td>The weight used to sort the axis. Higher weights are further away from the chart area.</td></tr></tbody></table> <h2 id="tick-configuration"><a href="#tick-configuration" class="header-anchor">#</a> Tick Configuration</h2> <h3 id="common-tick-options-to-all-cartesian-axes"><a href="#common-tick-options-to-all-cartesian-axes" class="header-anchor">#</a> Common tick options to all cartesian axes</h3> <p>Namespace: <code>options.scales[scaleId].ticks</code></p> <table><thead><tr><th>Name</th> <th>Type</th> <th>Default</th> <th>Description</th></tr></thead> <tbody><tr><td><code>align</code></td> <td><code>string</code></td> <td><code>'center'</code></td> <td>The tick alignment along the axis. Can be <code>'start'</code>, <code>'center'</code>, <code>'end'</code>, or <code>'inner'</code>. <code>inner</code> alignment means align <code>start</code> for first tick and <code>end</code> for the last tick of horizontal axis</td></tr> <tr><td><code>crossAlign</code></td> <td><code>string</code></td> <td><code>'near'</code></td> <td>The tick alignment perpendicular to the axis. Can be <code>'near'</code>, <code>'center'</code>, or <code>'far'</code>. See <a href="/docs/4.1.0/axes/cartesian/#tick-alignment">Tick Alignment</a></td></tr> <tr><td><code>sampleSize</code></td> <td><code>number</code></td> <td><code>ticks.length</code></td> <td>The number of ticks to examine when deciding how many labels will fit. Setting a smaller value will be faster, but may be less accurate when there is large variability in label length.</td></tr> <tr><td><code>autoSkip</code></td> <td><code>boolean</code></td> <td><code>true</code></td> <td>If true, automatically calculates how many labels can be shown and hides labels accordingly. Labels will be rotated up to <code>maxRotation</code> before skipping any. Turn <code>autoSkip</code> off to show all labels no matter what.</td></tr> <tr><td><code>autoSkipPadding</code></td> <td><code>number</code></td> <td><code>3</code></td> <td>Padding between the ticks on the horizontal axis when <code>autoSkip</code> is enabled.</td></tr> <tr><td><code>includeBounds</code></td> <td><code>boolean</code></td> <td><code>true</code></td> <td>Should the defined <code>min</code> and <code>max</code> values be presented as ticks even if they are not "nice".</td></tr> <tr><td><code>labelOffset</code></td> <td><code>number</code></td> <td><code>0</code></td> <td>Distance in pixels to offset the label from the centre point of the tick (in the x-direction for the x-axis, and the y-direction for the y-axis). <em>Note: this can cause labels at the edges to be cropped by the edge of the canvas</em></td></tr> <tr><td><code>maxRotation</code></td> <td><code>number</code></td> <td><code>50</code></td> <td>Maximum rotation for tick labels when rotating to condense labels. Note: Rotation doesn't occur until necessary. <em>Note: Only applicable to horizontal scales.</em></td></tr> <tr><td><code>minRotation</code></td> <td><code>number</code></td> <td><code>0</code></td> <td>Minimum rotation for tick labels. <em>Note: Only applicable to horizontal scales.</em></td></tr> <tr><td><code>mirror</code></td> <td><code>boolean</code></td> <td><code>false</code></td> <td>Flips tick labels around axis, displaying the labels inside the chart instead of outside. <em>Note: Only applicable to vertical scales.</em></td></tr> <tr><td><code>padding</code></td> <td><code>number</code></td> <td><code>0</code></td> <td>Padding between the tick label and the axis. When set on a vertical axis, this applies in the horizontal (X) direction. When set on a horizontal axis, this applies in the vertical (Y) direction.</td></tr> <tr><td><code>maxTicksLimit</code></td> <td><code>number</code></td> <td><code>11</code></td> <td>Maximum number of ticks and gridlines to show.</td></tr></tbody></table> <h3 id="common-tick-options-to-all-axes"><a href="#common-tick-options-to-all-axes" class="header-anchor">#</a> Common tick options to all axes</h3> <p>Namespace: <code>options.scales[scaleId].ticks</code></p> <table><thead><tr><th>Name</th> <th>Type</th> <th style="text-align:center;">Scriptable</th> <th>Default</th> <th>Description</th></tr></thead> <tbody><tr><td><code>backdropColor</code></td> <td><a href="/docs/4.1.0/general/colors.html"><code>Color</code></a></td> <td style="text-align:center;">Yes</td> <td><code>'rgba(255, 255, 255, 0.75)'</code></td> <td>Color of label backdrops.</td></tr> <tr><td><code>backdropPadding</code></td> <td><a href="/docs/4.1.0/general/padding.html"><code>Padding</code></a></td> <td style="text-align:center;"></td> <td><code>2</code></td> <td>Padding of label backdrop.</td></tr> <tr><td><code>callback</code></td> <td><code>function</code></td> <td style="text-align:center;"></td> <td></td> <td>Returns the string representation of the tick value as it should be displayed on the chart. See <a href="/docs/4.1.0/axes/labelling.html#creating-custom-tick-formats">callback</a>.</td></tr> <tr><td><code>display</code></td> <td><code>boolean</code></td> <td style="text-align:center;"></td> <td><code>true</code></td> <td>If true, show tick labels.</td></tr> <tr><td><code>color</code></td> <td><a href="/docs/4.1.0/general/colors.html"><code>Color</code></a></td> <td style="text-align:center;">Yes</td> <td><code>Chart.defaults.color</code></td> <td>Color of ticks.</td></tr> <tr><td><code>font</code></td> <td><code>Font</code></td> <td style="text-align:center;">Yes</td> <td><code>Chart.defaults.font</code></td> <td>See <a href="/docs/4.1.0/general/fonts.html">Fonts</a></td></tr> <tr><td><code>major</code></td> <td><code>object</code></td> <td style="text-align:center;"></td> <td><code>{}</code></td> <td><a href="/docs/4.1.0/axes/styling.html#major-tick-configuration">Major ticks configuration</a>.</td></tr> <tr><td><code>padding</code></td> <td><code>number</code></td> <td style="text-align:center;"></td> <td><code>3</code></td> <td>Sets the offset of the tick labels from the axis</td></tr> <tr><td><code>showLabelBackdrop</code></td> <td><code>boolean</code></td> <td style="text-align:center;">Yes</td> <td><code>true</code> for radial scale, <code>false</code> otherwise</td> <td>If true, draw a background behind the tick labels.</td></tr> <tr><td><code>textStrokeColor</code></td> <td><a href="/docs/4.1.0/general/colors.html"><code>Color</code></a></td> <td style="text-align:center;">Yes</td> <td>``</td> <td>The color of the stroke around the text.</td></tr> <tr><td><code>textStrokeWidth</code></td> <td><code>number</code></td> <td style="text-align:center;">Yes</td> <td><code>0</code></td> <td>Stroke width around the text.</td></tr> <tr><td><code>z</code></td> <td><code>number</code></td> <td style="text-align:center;"></td> <td><code>0</code></td> <td>z-index of tick layer. Useful when ticks are drawn on chart area. Values <= 0 are drawn under datasets, > 0 on top.</td></tr></tbody></table> <h2 id="min-max-configuration"><a href="#min-max-configuration" class="header-anchor">#</a> Min Max Configuration</h2> <p>For both the <code>min</code> and <code>max</code> properties, the value must be <code>string</code> in the <code>labels</code> array or <code>numeric</code> value as an index of a label in that array. In the example below, the x axis would only display "March" through "June".</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code><span class="token keyword">let</span> chart <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Chart</span><span class="token punctuation">(</span>ctx<span class="token punctuation">,</span> <span class="token punctuation">{</span>
<span class="token literal-property property">type</span><span class="token operator">:</span> <span class="token string">'line'</span><span class="token punctuation">,</span>
<span class="token literal-property property">data</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">datasets</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token punctuation">{</span>
<span class="token literal-property property">data</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token number">10</span><span class="token punctuation">,</span> <span class="token number">20</span><span class="token punctuation">,</span> <span class="token number">30</span><span class="token punctuation">,</span> <span class="token number">40</span><span class="token punctuation">,</span> <span class="token number">50</span><span class="token punctuation">,</span> <span class="token number">60</span><span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token literal-property property">labels</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token string">'January'</span><span class="token punctuation">,</span> <span class="token string">'February'</span><span class="token punctuation">,</span> <span class="token string">'March'</span><span class="token punctuation">,</span> <span class="token string">'April'</span><span class="token punctuation">,</span> <span class="token string">'May'</span><span class="token punctuation">,</span> <span class="token string">'June'</span><span class="token punctuation">]</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token literal-property property">options</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">scales</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">x</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">min</span><span class="token operator">:</span> <span class="token string">'March'</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><h2 id="internal-data-format"><a href="#internal-data-format" class="header-anchor">#</a> Internal data format</h2> <p>Internally category scale uses label indices</p></div> <footer class="page-edit"><!----> <div class="last-updated"><span class="prefix">Last Updated:</span> <span class="time">12/16/2022, 6:36:14 AM</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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