# Line Chart

Typically used to show trends over time, the slope of the line between two points shows patterns of change.

#### How to Make Small Multiples in Excel

Also known as trellis charts, lattice chart, or whatever you want to call them, the technique lets you compare several categories in one view.

#### Red counties mostly stayed red

For The New York Times, Denise Lu and Karen Yourish looked at the…

#### Spike past 100k Covid-19 cases in a day

Meanwhile… based on estimates from The COVID Tracking Project, the United States had…

#### Political search interest in 2020

In Waves of Interest, a collaboration between the Google News Initiative and Truth…

#### Visual tour through the technology hype cycle

The Gartner hype cycle is a graphical representation of where certain technologies are…

#### Covid-19, the third leading cause of death

For Scientific American, Youyou Zhou made a line chart that shows cause of…

#### How to Untangle a Spaghetti Line Chart (with R Examples)

Put multiple time series lines on the same plot, and you quickly end up with a mess. Here are practical ways to clean it up.

#### Redefining Old Age

What is old? When it comes to subjects like health care and retirement, we often think of old in fixed terms. But as people live longer, it's worth changing the definition.

#### Visits to businesses compared year-over-year in each state

Businesses are still seeing visits mostly down compared to last year, which shouldn’t…

#### Analyzing the topics of cable TV news

From the Computer Graphics Lab at Stanford University, the results from an analysis…

#### Vote-by-mail volume compared against years past

The volume of mail-in ballots will likely be higher than usual this year,…

#### Finding the New Age, for Your Age

You've probably heard the lines about how "40 is the new 30" or "30 is the new 20." What is this based on? I tried to solve the problem using life expectancy data. Your age is the new age.

#### How to Make a Customized Excess Mortality Chart in Excel

Show current evolution against expected historical variability and add one or more series that could account for the difference.

#### Defining ’90s music, based on song recognition

In search of songs that define music in the 1990s, Matt Daniels and…

#### Comparing U.S. coronavirus case rates to other hot spots

The numbers are high here in the United States, and at this point,…

#### Unemployment for different groups

Unemployment has hit the United States hard over the past several months, for…

Twitter was hacked yesterday. Over a few hours, prominent accounts were tweeting that…

#### Restaurant Reopenings, a Comparison to Last Year

Restaurants are reopening for dining across the United States. Some states are doing it faster than others.

#### Change in internet usage since the virus

Your schedule changed. The time spent in front of or using a screen…

#### How to Flatten the Curve, a Social Distancing Simulation and Tutorial

Using R, we look at how your decreased interaction with others can help slow the spread of infectious diseases.