Reusable Chart Example

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Reusable Chart Example

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Last edited Jan 30, 2017

Created on Jan 30, 2017

This example demonstrates small multiples by rendering six separate time-series charts for stock price data from a TSV file, with each chart showing a different symbol (such as S&P 500 and MSFT) sharing a common x-axis extent. Built with D3 v4, the reusable chart component `timeSeriesChart()` uses SVG rendering, with `d3.scaleTime()`, `d3.scaleLinear()`, and `d3.axisBottom()` to create the axes. The code employs `d3.nest()` to group data by symbol and accessors like `values` and `title` to populate each mini chart with its own line, area fill, and title.

AI-generated description

This example is a small multiples experiment based on code written by Mike Bostock in 2012 as part of his tutorial Towards Reusable Charts.

I had heard that the "Towards Reusable Charts" style can be used to easily create small multiples, but I didn't quite grok how. This example shows one way that it can work, drawing data and inspiration from this other example Small Multiples III. On the way, I upgraded the original reusable line chart code to D3 v4, with minimal modifications. I also wanted to add a title to each instance of the chart, so ended up adding the values and title accessors to make it work well with the output from d3.nest.

forked from <a href='http://bl.ocks.org/curran/'>curran</a>'s block: <a href='http://bl.ocks.org/curran/66d926fe73211fd650ec'>Towards Reusable Charts Example</a>

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