Definition

wikipedia states:

A line chart or line graph is a type of chart which displays information as a series of data points called ‘markers’ connected by straight line segments.

Videos

A basic overview is provided by Mazhar Sayed (watch out for some scratchy audio).

Andy Kriebel shared his tips on how to create “Line charts that pop”:

Tim Ngwena shared this video in January 2017, showing a really nice variant of a standard line chart – a “stepped line chart”:

Blog posts

Carly Capitula at interworks.com wrote this piece, importantly defining the differences between Continuous and Discrete:

https://www.interworks.com/blog/ccapitula/2014/10/28/tableau-essentials-chart-types-line-charts-continuous-discrete

The Information Lab also took the time to differentiate between Continuous and Discrete Lines, doing so over two separate articles:

http://www.theinformationlab.co.uk/2015/03/25/show-continuous-lines/

http://www.theinformationlab.co.uk/2015/03/31/show-discrete-lines/

Ryan Sleeper‘s “Tableau Fundamentals” series includes Line charts, and the post adds additional tips about independent axes and how to leverage date hierarchies:

http://www.evolytics.com/blog/tableau-fundamentals-line-graphs-independent-axes-date-hierarchies/

Example workbooks

This is pretty much the most common chart type around, and that is not a thing to steer clear of. Basic charts like Lines and Bars will always feature heavily, because they can brilliantly convey data.

This is a dual-axis chart by Rody Zakovich, so it possibly doesn’t strictly belong in a designated Line chart post, but I include it as it shows how a humble line chart can be given some extra oomph:

https://public.tableau.com/views/GlobalTemperatureChange1850-2016/GlobalTemperatureChangefrom1850-2016?:embed=y&:display_count=yes&:showTabs=y&:showVizHome=no

This example from Rob Radburn is impossibly beautiful and just had to be included:

https://public.tableau.com/views/BritishCarMakers1994-2014/RegisteredCars?:embed=y&:showVizHome=no&:showTabs=y&:display_count=y&:display_static_image=y&:bootstrapWhenNotified=true

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