I want to update a line chart in chart js with two data sets. I've somehow managed to empty the chart and then able to fill in one of the data set. but unable to make both data sets working. here's the code.  ajaxRequest(     {         url: &...
I am building a series of doughnut charts and I would like to remove the second item in the legend, so when I generate the legend with the generateLegend() method I just want to get the first value.  In the documentation there is an option that reads...
I have two pie charts with different data but same labels and background colors. How can I create a standalone legend (a legend without a chart) using ChartJS so that the legend corresponds to both the pie charts at the same time?  I tried creating a...
I've created a Chart.js line plot with multiple lines (1 pixel thickness by default), and I want the user to be able to mouse over any particular line plot (not just the points) and have the plot change its line thickness (i.e. 3 pixels). Is this...
I am attempting to create a line chart where the color of the line (and the points) is dependant upon the value being plotted. For example if the value is above the following thresholds [0, 115, 125] then the color would be either ['green', &...
I have implemented the react-chartjs2 https://www.npmjs.com/package/react-chartjs-2 in my react app. I have implemented it successfully but i need to change the direction of the tooltip when hovering the chart. Currently it looks like this    But i w...
i am using this chart example where i updated query in data.php with  working   "SELECT student_id,student_name,marks FROM tbl_marks WHERE student_id IN(1, 2, 3)"   not working   "SELECT student_id,student_name,marks FROM tbl_marks WHERE...
I am getting time data which I want to display in stacked bar chart. I have been able to plot dates on x-axes in chart js with the time format as per the documentation. I want to display time in HH:mm format on y axis. Moreover, the data I am getting...
I'm sitting here on a problem and I can't find a solution for it. I'm trying to create a stacked bar graph with chartJS. Nothing complicated to that point.   My problem: Every bar on my chart should have unique values / labels. Those shou...
I am trying to create a scatter plot where XAxes and YAxes is the same scale and size.  The plot will become a square with identical Axes. Therefore if the data be {x:0, y:0}, {x:100, y:100} it draws a diagonal (45 degrees) line. I am plotting  A vs....

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