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Multiline slope chart

✓ Published0🌍 Public
PPatrick Wojda
Last edited Mar 10, 2020
Created on Mar 10, 2020

This example demonstrates a multiline slope chart built with D3 v5, rendered as an SVG. Four lines—representing Danmark, Finland, Sverige, and Norge—trace random values across six evenly spaced time points, with Sverige highlighted in orange for emphasis. The chart includes a set of dotted horizontal gridlines with y-axis labels, vertical date markers on the left and right edges, and a text label for each line showing its name and final value. The data is randomly generated, with leading zeros encoding missing early observations for some series.

AI-generated description

D3 v4 Line Chart Example

This is a example for basic line chart using D3. We are using the newest version of D3, version 4. As for all visualizations, we can break down this work into a checklist.

Line Chart Checklist
  1. Add an SVG to draw our line chart on
  2. Use the D3 standard margin convetion
  3. Create an x axis
  4. Create a y axis
  5. Create an x scale
  6. Create a y scale
  7. Create a line generator
  8. Create a random dataset
  9. Create a path object for the line
  10. Bind the data to the path object
  11. Call the line generator on the data-bound path object
  12. Add circles to show each datapoint
  13. Add some basic styling to the chart so its easier on the eyes

Read through the code below to see where each part of the checklist is completed.

forked from <a href='http://bl.ocks.org/pstuffa/'>pstuffa</a>'s block: <a href='http://bl.ocks.org/pstuffa/26363646c478b2028d36e7274cedefa6'>D3 v4 Line Chart</a>

forked from <a href='http://bl.ocks.org/gordlea/'>gordlea</a>'s block: <a href='http://bl.ocks.org/gordlea/27370d1eea8464b04538e6d8ced39e89'>D3 v5 Line Chart</a>

mit Licensed

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