Line Graph


Graphs / Plots
Comparisons, Data over Time, Patterns

What is it?

This chart is used to display quantitative values over a continuous interval or time period. A Line Graph is most frequently used to show trends and analyse how the data has changed over time.

Line Graphs are drawn by first plotting data points on a Cartesian coordinate grid, and then connecting a line between all of these points. Typically, the y-axis has a quantitative value, while the x-axis is a timescale or a sequence of intervals. Negative values can be displayed below the x-axis.
The direction of the lines on the graph works as a nice metaphor for the data: an upward slope indicates where values have increased and a downward slope indicates where values have decreased. The line’s journey across the graph can create patterns that reveal trends in a dataset.
When grouped with other lines (other data series), individual lines can be compared to one another. However, avoid using more than 3-4 lines per graph, as this makes the chart more cluttered and harder to read. A solution to this is to divide the chart into smaller multiples (have a small Line Graph for each data series).

When to use it?

 

Tools to create the Charts

Code-based:
https://www.amcharts.com/demos/line-chart-with-scroll-and-zoom/https://docs.anychart.com/Basic_Charts/Line_Charthttps://canvasjs.com/html5-javascript-line-chart/https://www.chartjs.org/docs/latest/charts/line.htmlhttps://d3-graph-gallery.com/line.htmlhttps://humblesoftware.com/envisionhttps://jsfiddle.net/fusioncharts/xb9TG/?utm_source=visualisingdata&utm_medium=websitehttps://developers.google.com/chart/interactive/docs/gallery/linecharthttps://www.highcharts.com/demo/line-basichttps://jscharting.com/examples/chart-types/line/types/https://bl.ocks.org/mbostock/3883245https://plotly.com/javascript/line-charts/https://www.python-graph-gallery.com/line-chart/https://r-graph-gallery.com/line-plot.htmlhttps://vega.github.io/vega/examples/line-chart/https://vega.github.io/vega-lite/examples/line.htmlhttps://www.zingchart.com/docs/chart-types/line

Webapp:
https://echarts.apache.org/https://charticulator.com/https://www.datawrapper.de/charts/line-charthttps://www.datylon.com/product/chart-library/line-charthttps://flourish.studio/https://docs.google.com/https://infogram.com/create/line-charthttps://www.onlinecharttool.com/graph?selected_graph=linehttps://www.rawgraphs.io/learning/how-to-make-a-line-charthttps://slemma.com/https://vizzlo.com/create/time-series-graph

Desktop App:
Adobe Illustrator
Apple Numbers, Keynote, Pages
Microsoft Office, PowerBI
https://help.tableau.com/current/pro/desktop/en-us/buildexamples_line.htm

 

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