This simple line chart is constructed from a TSV file storing the price of lab notebooks at Duke University Store over the years.
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Lab Notebook Meta-data. A look at prices charged at the Duke University Bookstore over 20 years.
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| license: gpl-3.0 |
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| date | close | |
|---|---|---|
| Oct-1988 | 7.95 | |
| Mar-1989 | 7.95 | |
| Apr-1990 | 8.50 | |
| Mar-1991 | 8.50 | |
| Sep-1991 | 8.50 | |
| Mar-1992 | 8.50 | |
| Jan-1993 | 8.50 | |
| Jul-1993 | 8.50 | |
| Sep-1993 | 8.50 | |
| May-1994 | 8.50 | |
| Jun-1994 | 8.50 | |
| Aug-1994 | 8.50 | |
| Jul-1998 | 7.95 | |
| Aug-1998 | 7.95 | |
| Feb-1999 | 7.95 | |
| Sep-1999 | 7.95 | |
| Oct-1999 | 10.25 | |
| Nov-1999 | 10.25 | |
| Jan-2000 | 10.25 | |
| Apr-2000 | 10.25 | |
| May-2000 | 10.25 | |
| Oct-2000 | 11.95 | |
| Feb-2001 | 11.95 | |
| Sep-2001 | 11.95 | |
| Jan-2002 | 11.95 | |
| Mar-2003 | 11.95 | |
| Jun-2003 | 11.95 | |
| Mar-2004 | 11.95 | |
| Oct-2004 | 11.95 | |
| Sep-2007 | 11.95 | |
| Jun-2008 | 11.95 | |
| Oct-2009 | 11.95 |
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| <!DOCTYPE html> | |
| <svg width="960" height="500"></svg> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| var svg = d3.select("svg"), | |
| margin = {top: 20, right: 20, bottom: 30, left: 50}, | |
| width = +svg.attr("width") - margin.left - margin.right, | |
| height = +svg.attr("height") - margin.top - margin.bottom, | |
| g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var parseTime = d3.timeParse("%b-%Y"); | |
| var x = d3.scaleTime() | |
| .rangeRound([0, width]); | |
| var y = d3.scaleLinear() | |
| .rangeRound([height, 0]); | |
| var line = d3.line() | |
| .x(function(d) { return x(d.date); }) | |
| .y(function(d) { return y(d.close); }); | |
| d3.tsv("data.tsv", function(d) { | |
| d.date = parseTime(d.date); | |
| d.close = +d.close; | |
| return d; | |
| }, function(error, data) { | |
| if (error) throw error; | |
| x.domain(d3.extent(data, function(d) { return d.date; })); | |
| y.domain(d3.extent(data, function(d) { return d.close; })); | |
| g.append("g") | |
| .attr("transform", "translate(0," + height + ")") | |
| .call(d3.axisBottom(x)) | |
| .select(".domain") | |
| .remove(); | |
| g.append("g") | |
| .call(d3.axisLeft(y)) | |
| .append("text") | |
| .attr("fill", "#000") | |
| .attr("transform", "rotate(-90)") | |
| .attr("y", 6) | |
| .attr("dy", "0.71em") | |
| .attr("text-anchor", "end") | |
| .text("Price ($)"); | |
| g.append("path") | |
| .datum(data) | |
| .attr("fill", "none") | |
| .attr("stroke", "steelblue") | |
| .attr("stroke-linejoin", "round") | |
| .attr("stroke-linecap", "round") | |
| .attr("stroke-width", 1.5) | |
| .attr("d", line); | |
| }); | |
| </script> |
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