I want some of the nodes in my force-directed layout to ignore all forces and stay in fixed positions based on an attribute of the node, while still being able to be dragged and exert repulsion on other nodes and maintain their link lines.   I thou...
I have a codepen here - https://codepen.io/anon/pen/xpaYYw?editors=0010  Its a simple test graph but the date will be formatted like this.  I have dates on the x axis and amounts on the y  How can I use the x scale to set the width and x position of...
I am new to D3.js and trying to make a bar chart with GDP on Y axis and date on X axis.  I am trying to make a xScale with d3.timeScale() but for some reason the code keeps returning undefined when using it. Below is my code, what am I doing wrong?...
I'm developing a project using ChartJs. I am trying to add icon image inside the line chart instead of points.  I'm attaching an image in which I demonstrate the above requirements. In that image, there is a ChartJs image and a reference imag...
I'm building a bar chart in d3.js with an ordinal x-axis whose ticks should label the chart with text. Could anyone explain how the ordinal scale "maps" x ticks to the corresponding bar positions?  Specifically, if I want to designate the...
I am trying out d3 as a tool for representing biological data.    I am trying to open the following example in my chrome browser so that I can understand how it works.  Unfortunately I get the following error "Uncaught TypeError: Cannot read prop...
I'm a rookie programmer, so this one will probably be an easy one for most of you. What lines of code do I need for labels and/or mouse-over text for this Chord diagram?  http://mbostock.github.com/d3/ex/chord.html    I need it to display the nam...
I'm using Highcharts/Highstock to plot a fairly large amount of data (~10,000 points). The data consists of Date objects on the X axis and floats on the Y, formatted as such: [[(date), 1.728], [(date), 0.346], ...]. The dates are always 1 hour ap...
I must be doing something naive, but I can't get my data to render within the chart.  here's my example data:  var data = [     {            date: '02-12-2013',        val: 13,     }     {            date: '02-13-2013',...
I'm trying to dynamically update a d3 circle pack layout with data I receive in json. Every second I call d3.json() to get the new json. Instead of updating the existing visualization, my implementation just creates a new one under the old one. I...

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