The Time-Frequency Transform

As well as ERPs or time-frequency plots from individual channels, it’s always useful to see topographical maps of our data. It’s a nice …

Feb 25, 2017 11 min read EEG, R, ggplot2, topographies

In an earlier post I took a look at visualizing ERPs from two conditions at a single electrode. This time I’m going to look at three …

Jan 10, 2017 8 min read EEG, ERPs, statistics, R, ggplot2

Shiny app updated! In my last post unleashed the Shiny app I’d knocked up in a few hours to do some basic display of different …

Dec 16, 2016 2 min read EEG, ERPs, statistics, R, ggplot2, shiny

Shiny app In an unusual fit of enthusiasm, I decided to have to go at writing a little app in Shiny, a simple programming framework to …

Dec 7, 2016 2 min read EEG, ERPs, statistics, R, ggplot2, shiny

As I mentioned in a previous post, between-subject confidence intervals/standard errors are not necessarily all that useful when your …

Nov 28, 2016 4 min read EEG, ERPs, statistics, R, ggplot2

Running statistical tests using “purrr” Something which puzzled me for a while was how to efficiently perform running (i.e. …

Oct 6, 2016 6 min read EEG, ERPs, statistics, R, ggplot2

ERP visualization is harder than people think. Often people take the path of least resistance, plotting grand average ERP data as …

Sep 19, 2016 9 min read EEG, ERPs, statistics, R, ggplot2