Cosima Meyer

Black-box models make decisions that affect people but rarely explain themselves. This talk offers a decision tree that allows practitioners to choose the right approach.

Technical English

Back

Code & Community - The Synergy of Community Building and Task Automation

Talk

PyCon DE & PyData 2025

Code & Community - The Synergy of Community Building and Task Automation

April 25, 2025

Bots aren’t just for solo productivity — they can power community infrastructure at scale. This talk shows how automation helped make PyLadies contributions visible and kept members connected across chapters.

Technical English

Back

From Complex to Clear - Understanding Your NLP Models

Talk

R-Ladies Abuja

From Complex to Clear - Understanding Your NLP Models

March 23, 2024

NLP models are powerful but often feel like black boxes. This talk introduces accessible techniques for understanding what your text models are actually doing — without sacrificing usability.

Technical English

Back

Talk

Career Talks 2024

From Social Sciences to Data Science

February 15, 2024

Slides

A look at the road from political science to data science — what transferred, what didn’t, and what I’d tell my earlier self about making the switch.

General English

Back

Sparkling Connections - Making PyLadies' Contributions Visible Through Mastodon Bots

Talk

PyLadiesCon 2023

Sparkling Connections - Making PyLadies' Contributions Visible Through Mastodon Bots

December 2, 2023

How a Mastodon bot can reconnect PyLadies — and what that taught me about building community infrastructure.

Technical English

Back

Building Bridges - Exploring Open-Source Library Development in R and Python

Keynote

NHS-R/NHS.pycom Conference 2023

Building Bridges - Exploring Open-Source Library Development in R and Python

October 10, 2023

Open source is a language, not just a tool — and it connects communities across R and Python. This keynote explores what it takes to build bridges between ecosystems, and the lessons learned along the way.

Mixed English

Back

PythonistR - A Match Made in Data Heaven

Workshop

Women in Data Science 2023

PythonistR - A Match Made in Data Heaven

March 23, 2023

R and Python don’t have to compete. This workshop shows how to combine them in a single workflow using reticulate and rpy2, with practical handoff patterns that actually hold up in production.

Mixed English

Back

Workshop

Learning R for and With the Civil Society

Data Visualization and ShinyApps

2021-2023

Event

A twelve-week course covering Data Visualization and ShinyApp Programming (in German), awarded as ‘Excellent Volunteering’ by GoVolunteer.

General German

Back

Talk

Women in Data Science 2022

From Social Sciences To Data Science

April 4, 2022

Slides Event

A talk about career transitions and what it means to bring a social scientist’s mindset into data science — covering the skills that transferred, the gaps, and the unexpected advantages.

General English

Back

Big things come in small packages – Tips and tricks for developing your own R package

Talk

CorrelCon 2021

Big things come in small packages – Tips and tricks for developing your own R package

November 12, 2021

R gets better every day because people contribute to it. This talk gives you the confidence and tools to write and publish your own package — no matter where you’re starting from.

Technical English

Back

Workshop

WoMen in Tech

Git Around the World

April 20, 2021

Slides Event

A walkthrough of my Git workflow using RStudio — covering branching, committing, and how to structure data projects so they stay maintainable over time. Here’s a short workflow description I wrote up as a blog post.

Mixed English

Back

Programmieraufgabe oder Lückentext? Wir visualisieren Daten und automatisieren Reports

Talk

Digital Social Summit 2021

Programmieraufgabe oder Lückentext? Wir visualisieren Daten und automatisieren Reports

Data Visualization and Automated Reporting

March 30, 2021

Slides Event

A live demonstration of how R can transform static research outputs into interactive, automated reports — making findings accessible to audiences who’ll never open a methods section.

General German

Back

Datenvisualisierung 2.0 - R Shiny oder wie ich Forschung zugänglich mache

Talk

Research Plus

Datenvisualisierung 2.0 - R Shiny oder wie ich Forschung zugänglich mache

Making Research Accessible with R Shiny

March 1, 2021

A non-expert talk on how Shiny apps can bring research to life — a demo of building interactive web applications in R that let people explore data without needing to read a paper.

General German

Back

Getting the most out of text - Using supervised and unsupervised approaches in NLP

Workshop

R-Ladies Tunis

Getting the most out of text - Using supervised and unsupervised approaches in NLP

January 30, 2021

Slides Recording Code

Text data is everywhere — and quanteda makes it manageable. This workshop covers the full NLP pipeline from raw text to supervised and unsupervised models, using UN speech data as a working example.

Technical English

Back

Taking text data to the next level - Using supervised and unsupervised approaches in NLP

Workshop

R-Ladies Bergen

Taking text data to the next level - Using supervised and unsupervised approaches in NLP

December 20, 2020

A deep dive into NLP with quanteda — text visualization, supervised classification, and topic modeling — with hands-on practice using real UN text data.

Technical English

Back

Talk

Zurich Summer School for Women in Political Methodology - Mini Conference 2020

overviewR - Write your own R package

November 27, 2020

Slides Code

Presenting overviewR — a CRAN package for panel data — alongside practical lessons learned from co-authoring and publishing software.

Mixed English

Back

ShinyApps - Was ist das und wie erstelle ich eine?

Workshop

CorrelAid Workshop

ShinyApps - Was ist das und wie erstelle ich eine?

ShinyApps – What They Are and How to Build One

November 26, 2020

Slides Code

A beginner-friendly introduction to Shiny — what it is, how it works, and how to build your first interactive app in R — with a live demo using election data.

General German

Back

Talk

CorrelCon 2020

Talking Shiny - Creating interactive and accessible dashboards in R

November 7, 2020

Shiny apps give research a second life. This talk walks through building a Shiny app from scratch with shinydashboards and echarts4r, with lessons from a real-world deployment.

Mixed English

Back

Interactive Science - Using Shiny and R to Make Research Accessible (and to Let it Shine)

Talk

CorrelAid Open Online Data Meetup

Interactive Science - Using Shiny and R to Make Research Accessible (and to Let it Shine)

August 26, 2020

podcast Cover: Jasmine Moradi

How R Shiny can make research interactive and accessible — with a live demo of the conflict-elections app showing what’s possible when you hand control to the reader.

Mixed English

Back

Talk

Women in Data Science 2020

Data-Driven Research: A Career Journey

June 25, 2020

Event

Presented as part of a panel of women in data science, sharing my career journey — how I apply ML methods to political science research, and what a non-traditional path into the field looks like.

General English

Back

Available for talks in English and German.

Get in touch

Queens of Tech Podcast | 100 Voices of Impact

Tech Queen: Cosima Meyer

2025-02-01

press Social Media Card: Business Insider Deutschland

Zukunftsmacherinnen 2024 von Business Insider: Das sind die neuen 26 Frauen!

Business Insider Germany

Zukunftsmacherinnen 2024 von Business Insider: Das sind die neuen 26 Frauen!

Future Makers 2024: Business Insider's 26 Women Shaping Tomorrow

2024-10-24

Read

Episode 222: Using Virtual Environments in Docker & Comparing Python Dev Tools

podcast

The Real Python Podcast

Episode 222: Using Virtual Environments in Docker & Comparing Python Dev Tools

2024-09-27

GitHub - Perks of Collaboration and Version Control

podcast Cover: R Weekly

R Weekly Highlights

GitHub - Perks of Collaboration and Version Control

2022-11-04

podcast Cover: R Weekly

R Weekly Highlights

Understanding ShinyApps

2022-09-28