Package: diegr 0.3.1

diegr: Dynamic and Interactive EEG Graphics

Allows to visualize high-density electroencephalography (HD-EEG) data through interactive plots and animations, enabling exploratory and communicative analysis of temporal-spatial brain signals. Funder: Masaryk University (Grant No. MUNI/A/1457/2023).

Authors:Zdeňka Geršlová [aut, cre], Stanislav Katina [rev], Martin Lamoš [ctb]

diegr_0.3.1.tar.gz
diegr_0.3.1.zip(r-4.7-any)diegr_0.3.1.zip(r-4.6-any)diegr_0.3.1.zip(r-4.5-any)
diegr_0.3.1.tgz(r-4.6-any)diegr_0.3.1.tgz(r-4.5-any)
diegr_0.3.1.tar.gz(r-4.7-any)diegr_0.3.1.tar.gz(r-4.6-any)
diegr_0.3.1.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
diegr/json (API)

# Install 'diegr' in R:

install.packages('diegr', repos = c('https://gerslovaz.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/gerslovaz/diegr/issues

Pkgdown/docs site:https://gerslovaz.github.io

Datasets:

biosemi128 - Coordinates of the spherical BioSemi system with 128 electrodes
biosemi256 - Coordinates of the spherical BioSemi system with 256 electrodes
epochdata - Example high-density (HD-EEG) epoched data
HCGSN256 - Coordinates of 256-channel HCGSN sensors
rtdata - Example response time data
system1005 - Coordinates of the spherical 10-05 system sensors

On CRAN:

hd-eeg

4.88 score 6 scripts 265 downloads 24 exports 84 dependencies

Last updated from:8250a2a287. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel	OK	225
source / vignettes	OK	265
linux-release	OK	220
macos-release	OK	217
macos-oldrel	OK	202
windows-devel	OK	143
windows-release	OK	146
windows-oldrel	OK	114
wasm-release	OK	166

Exports:animate_scalp animate_topo animate_topo_mean baseline_correction boxplot_epoch boxplot_rt boxplot_subject check_structure compute_mean create_scale interactive_surfaceplot interactive_surfaceplot_curves interactive_waveforms make_triangulation outliers_epoch pick_data pick_region plot_point_mesh plot_time_mean plot_topo_mean point_mesh scalp_plot summary_stats_rt topo_plot

Dependencies:askpass base64enc bslib cachem class classInt cli cpp11 crayon crosstalk curl data.table DBI digest dplyr e1071 evaluate farver fastmap fontawesome fs generics gganimate ggplot2 glue gtable highr hms htmltools htmlwidgets httr isoband jquerylib jsonlite KernSmooth knitr labeling later lazyeval lifecycle lpSolve magrittr MASS memoise mime openssl otel pillar pkgconfig plotly prettyunits progress promises proxy purrr R6 rappdirs RColorBrewer Rcpp rgl rlang rmarkdown s2 S7 sass scales sf stringi stringr sys tibble tidyr tidyselect tinytex transformr tweenr units utf8 vctrs viridisLite withr wk xfun yaml

diegr

Rendered fromdiegr.Rmdusingknitr::rmarkdown

Last update: 2026-08-18
Started: 2025-04-11

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
3D scalp plot animation in time	animate_scalp
Topographic map animation in time	animate_topo
Animate EEG average topographic map with confidence bounds	animate_topo_mean
Baseline correction	baseline_correction
Coordinates of the spherical BioSemi system with 128 electrodes	biosemi128
Coordinates of the spherical BioSemi system with 256 electrodes	biosemi256
Plot boxplots of EEG amplitude on epoch level	boxplot_epoch
Plot boxplots of response times	boxplot_rt
Plot boxplots of EEG amplitude across subjects	boxplot_subject
Check data structure and print inferred hierarchy	check_structure
Calculate mean in temporal or spatial domain	compute_mean
Create colour scale used in topographic figures	create_scale
Example high-density (HD-EEG) epoched data	epochdata
Coordinates of 256-channel HCGSN sensors	HCGSN256
Interactive 3D surface topographic plot of EEG signal	interactive_surfaceplot
Interactive 3D surface plot of EEG signal over time	interactive_surfaceplot_curves
Plot interactive waveform graph	interactive_waveforms
Make triangulation of 2D point mesh	make_triangulation
Select outlier epochs	outliers_epoch
Subsets EEG data by group, subject, sensor, time, experimental condition or epoch	pick_data
Choose region of interest	pick_region
Plot point mesh	plot_point_mesh
Plot time curve of average EEG signal with confidence interval	plot_time_mean
Plot topographic map of average EEG signal	plot_topo_mean
Create regular mesh of points	point_mesh
Example response time data	rtdata
Plot scalp map of EEG signal	scalp_plot
Compute summary statistics of reaction times	summary_stats_rt
Coordinates of the spherical 10-05 system sensors	system1005
Plot topographic map of EEG signal	topo_plot