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Cleaned up line docs a bit and remove unnecessary options
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@ -23,13 +23,29 @@ var data = {
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datasets: [
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{
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label: "My First dataset",
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// String or array - if an array is specified, allows changing the value for the point at the given index
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fillColor: "rgba(220,220,220,0.2)",
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// String or array - if an array is specified, allows changing the value for the point at the given index
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strokeColor: "rgba(220,220,220,1)",
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// String or array - if an array is specified, allows changing the value for the point at the given index
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pointColor: "rgba(220,220,220,1)",
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// String or array - if an array is specified, allows changing the value for the point at the given index
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pointStrokeColor: "#fff",
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// String or array - if an array is specified, allows changing the value for the point at the given index
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pointHighlightFill: "#fff",
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// String or array - if an array is specified, allows changing the value for the point at the given index
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pointHighlightStroke: "rgba(220,220,220,1)",
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data: [65, 59, 80, 81, 56, 55, 40]
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data: [65, 59, 80, 81, 56, 55, 40],
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// String - If specified, binds the dataset to a certain y-axis. If not specified, the first y-axis is used.
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yAxisID: "y-axis-1",
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},
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{
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label: "My Second dataset",
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@ -56,65 +72,159 @@ These are the customisation options specific to Line charts. These options are m
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```javascript
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{
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// Boolean - if true, line stack on top of each other along the y axis
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stacked: false,
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///Boolean - Whether grid lines are shown across the chart
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scaleShowGridLines : true,
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hover: {
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// String - We use a label hover mode since the x axis displays data by the index in the dataset
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mode: "label"
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},
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//String - Colour of the grid lines
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scaleGridLineColor : "rgba(0,0,0,.05)",
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scales: {
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// The line chart officially supports only 1 x-axis but uses an array to keep the API consistent. Use a scatter chart if you need multiple x axes.
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xAxes: [{
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// String - type of axis to use. Should not be changed from 'dataset'. To use a 'linear' axis on the x, use the scatter chart type
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scaleType: "dataset", // scatter should not use a dataset axis
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//Number - Width of the grid lines
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scaleGridLineWidth : 1,
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// Boolean - if true, show the scale
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display: true,
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//Boolean - Whether to show horizontal lines (except X axis)
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scaleShowHorizontalLines: true,
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// String - position of the scale. possible options are "top" and "bottom" for dataset scales
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position: "bottom",
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//Boolean - Whether to show vertical lines (except Y axis)
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scaleShowVerticalLines: true,
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// String - id of the axis so that data can bind to it
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id: "x-axis-1", // need an ID so datasets can reference the scale
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//Boolean - Whether the line is curved between points
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bezierCurve : true,
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// grid line settings
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gridLines: {
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// Boolean - if true, show the grid lines
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show: true,
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//Number - Tension of the bezier curve between points
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bezierCurveTension : 0.4,
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// String - color of the grid lines
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color: "rgba(0, 0, 0, 0.05)",
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//Boolean - Whether to show a dot for each point
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pointDot : true,
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// Number - width of the grid lines
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lineWidth: 1,
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//Number - Radius of each point dot in pixels
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pointDotRadius : 4,
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// Boolean - if true draw lines on the chart area
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drawOnChartArea: true,
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//Number - Pixel width of point dot stroke
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pointDotStrokeWidth : 1,
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// Boolean - if true draw ticks in the axis area
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drawTicks: true,
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//Number - amount extra to add to the radius to cater for hit detection outside the drawn point
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pointHitDetectionRadius : 20,
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// Number - width of the grid line for the first index (index 0)
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zeroLineWidth: 1,
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//Boolean - Whether to show a stroke for datasets
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datasetStroke : true,
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// String - color of the grid line for the first index
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zeroLineColor: "rgba(0,0,0,0.25)",
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//Number - Pixel width of dataset stroke
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datasetStrokeWidth : 2,
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// Boolean - if true, offset labels from grid lines
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offsetGridLines: false,
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},
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//Boolean - Whether to fill the dataset with a colour
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datasetFill : true,
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{% raw %}
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//String - A legend template
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legendTemplate : "<ul class=\"<%=name.toLowerCase()%>-legend\"><% for (var i=0; i<datasets.length; i++){%><li><span style=\"background-color:<%=datasets[i].strokeColor%>\"></span><%if(datasets[i].label){%><%=datasets[i].label%><%}%></li><%}%></ul>"
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{% endraw %}
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// label settings
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labels: {
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// Boolean - if true show labels
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show: true,
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//Boolean - Whether to horizontally center the label and point dot inside the grid
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offsetGridLines : false
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// String - template string for labels
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template: "<%=value%>",
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// Number - label font size
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fontSize: 12,
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// String - label font style
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fontStyle: "normal",
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// String - label font color
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fontColor: "#666",
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// String - label font family
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fontFamily: "Helvetica Neue",
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},
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}],
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yAxes: [{
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// String - type of axis. 'linear' is the default but extensions may provide other types such as logarithmic
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scaleType: "linear",
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// Boolean - if true, show the scale
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display: true,
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// String - position of axis. Vertical axes can have either "left" or "right"
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position: "left",
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// ID of the axis for data binding
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id: "y-axis-1",
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// grid line settings
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gridLines: {
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// Boolean - if true, show the grid lines
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show: true,
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// String - color of the grid lines
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color: "rgba(0, 0, 0, 0.05)",
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// Number - width of the grid lines
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lineWidth: 1,
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// Boolean - if true draw lines on the chart area
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drawOnChartArea: true,
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// Boolean - if true draw ticks in the axis area
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drawTicks: true,
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// Number - width of the grid line representing a numerical value of 0
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zeroLineWidth: 1,
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// String - color of the grid line representing a numerical value of 0
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zeroLineColor: "rgba(0,0,0,0.25)",
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},
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// scale numbers
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beginAtZero: false,
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integersOnly: false,
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override: null,
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// label settings
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labels: {
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// Boolean - if true show labels
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show: true,
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// String - template string for labels
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template: "<%=value%>",
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// Function - if specified this is passed the tick value, index, and the array of all tick values. Returns a string that is used as the label for that value
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userCallback: null,
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// Number - label font size
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fontSize: 12,
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// String - label font style
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fontStyle: "normal",
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// String - label font color
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fontColor: "#666",
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// String - label font family
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fontFamily: "Helvetica Neue",
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},
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}],
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}
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};
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```
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You can override these for your `Chart` instance by passing a second argument into the `Line` method as an object with the keys you want to override.
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You can override these for your `Chart` instance by passing a member `options` into the `Line` method.
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For example, we could have a line chart without bezier curves between points by doing the following:
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For example, we could have a line chart display without an x axis by doing the following. The config merge is smart enough to handle arrays so that you do not need to specify all axis settings to change one thing.
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```javascript
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new Chart(ctx).Line(data, {
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bezierCurve: false
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new Chart(ctx).Line({
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data: data,
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options: {
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xAxes: [{
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show: false
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}]
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}
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});
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// This will create a chart with all of the default options, merged from the global config,
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// and the Line chart defaults, but this particular instance will have `bezierCurve` set to false.
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@ -32,11 +32,6 @@
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offsetGridLines: false,
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},
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// scale numbers
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beginAtZero: false,
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integersOnly: false,
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override: null,
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// label settings
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labels: {
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show: true,
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@ -66,7 +61,6 @@
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// scale numbers
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beginAtZero: false,
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integersOnly: false,
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override: null,
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// label settings
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