tcplot

tcplot is a Twin Cities community for data visualization practitioners, enthusiasts, and storytellers. Whether you are a D3 wizard, a Tableau pro, a ggplot2 devotee, or someone who appreciates a well-crafted chart, you've found your people.

Our mission is to elevate the data literacy and design standards of the MSP area through three core pillars:

▸ Talks: Hear from local experts and industry leaders on the "why" and "how" of great visualization.
▸ Workshops: Roll up your sleeves for hands-on sessions where we master new tools, libraries, and design principles.
▸ Build-a-thons: Join collaborative coworking where we take datasets and turn them into impactful, interactive, or artistic visual stories.

tcplot.com Instagram Meetup

Upcoming: Opposing Data Stories

Saturday, November 21st · 10:00 AM to 12:00 PM CST

The Coffee Shop NE, 2852 Johnson St NE, Minneapolis, MN

Florence Nightingale's two rose diagrams of army deaths, dominated by blue wedges of preventable disease — Florence Nightingale, *Diagram of the Causes of Mortality in the Army in the East* (1858); public domain.

Same data. Opposite stories.

Solo or in pairs, we'll chart one dataset two ways, once as a crisis and once as nothing to see, without changing a single number. Then the room guesses which design choice is doing the work.

Details at tcplot.com/opposing-data-stories.

Upcoming: Climate Data

Saturday, December 12th · 10:00 AM to 12:00 PM CST

The Coffee Shop NE, 2852 Johnson St NE, Minneapolis, MN

Warming stripes for Minneapolis and St. Paul, 1939 to 2025: vertical bands of blue and red, growing redder toward the right — Annual average temperature in Minneapolis and St. Paul, 1939 to 2025, one stripe per year in the style of Ed Hawkins's warming stripes; data from NOAA.

Come explore the climate data provided or of your choice.

Details at tcplot.com/climate.

Upcoming: Charts & Color

Saturday, January 16th · 10:00 AM to 12:00 PM CST

The Coffee Shop NE, 2852 Johnson St NE, Minneapolis, MN

A long chart of reference ranges for blood tests: dozens of overlapping colored bars on a log scale — Mikael Häggström, *Reference ranges for blood tests* (2009); public domain (CC0).

A morning about color in charts, in two acts: bring a chart whose color you have opinions about, then we'll recolor charts together and show the before and after.

Details at tcplot.com/charts-and-color.

tcplot data visualization twin cities — collage featuring a scientist with a petri dish, eclipse, and time series chart