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developmental and stem cell biologists

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This collection features helpful posts on a wide range of topics, from academic writing and reviewing to data visualisation and statistical analysis.

Recent posts

Visualizing the heterogeneity of single cell data from time-lapse imaging

Posted by , on 12 December 2018

When we examined the kinetics of Rho GTPase activity in endothelial cells in response to receptor stimulation (Reinhard, 2017), we noticed considerable cell-to-cell heterogeneity. In the original work we published …
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Make a difference: the alternative for p-values

Posted by , on 8 October 2018

Calculation and reporting of p-values is common in scientific publications and presentations (Cristea and Ioannidis, 2018). Usually, the p-value is calculated to decide whether two conditions, e.g. control and treatment, …

Showing distributions

Posted by , on 6 August 2018

When reading about co-evolution of prey and predators, I stumbled across a cute new plot type: a half boxplot, half dot plot to show data distributions.     Wilson used …

Visualizing data with R/ggplot2 – One more time

Posted by , on 26 June 2018

Experiments are rarely performed in isolation. Usually, several conditions are compared in parallel or sequential experiments. This experimental strategy also applies to time-dependent data, e.g. from timelapse imaging. So, naturally, …

Visualizing data with R/ggplot2 – It’s about time

Posted by , on 31 May 2018

The visualization of temporal data by line graphs has been documented and popularized by William Playfair in the 18th century (Aigner et al, 2011; Beniger and Robyn, 1978). Today, time-dependent changes …

Venn, Euler, upset: visualize overlaps in datasets

Posted by , on 25 May 2018

Visualizations for comparing datasets is a topic in all my data viz classes. Current solutions for comparing 2,3, 4 and more datasets are diverse and some are controversial. A one-fits-all …

How to make colour blind friendly palettes, from regular contributor Jochim Goedhart.

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Updated on 16 March 2021