Graph Theory Analysis of Brain MRI Data


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Documentation for package ‘brainGraph’ version 0.62.0

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aal116 Coordinates for data from the AAl116 atlas
aal90 Coordinates for data from the AAl90 atlas
analysis_random_graphs Perform an analysis with random graphs for brain MRI data
aop "Add-one-patient" approach to estimate individual network contribution
assign_lobes Give vertices in a graph a _lobe_ attribute.
boot_global Bootstrapping for global graph measures
brainGraph_init Initialize variables for further use in brainGraph
brainsuite Coordinates for data from BrainSuite atlas
centr_lev Calculate a vertex's leverage centrality
check.resid Check model residuals for each brain region
choose.edges Select edges for re-wiring.
color.edges Color graph edges
color.vertices Color graph vertices
corr.matrix Calculate correlation matrix and threshold
count_homologous Count number of edges between homologous regions of a brain graph
count_interlobar Count number of inter-lobar connections from a given major lobe
destrieux Coordinates for data from the Destrieux atlas
destrieux.scgm Coordinates for data from the Destrieux atlas
dk Coordinates for data from the Desikan-Killiany atlas
dk.scgm Coordinates for data from the Desikan-Killiany atlas
dkt Coordinates for data from the Desikan-Killiany-Tourville atlas
dkt.scgm Coordinates for data from the Desikan-Killiany-Tourville atlas
dti_create_mats Create connection matrices for tractography analysis
edge_asymmetry Calculate an asymmetry index based on edge counts
edge_spatial_dist Calculate Euclidean distance of edges
get.resid Linear model residuals across brain regions
graph.contract.brain Contract graph vertices based on brain lobe and hemisphere
graph.efficiency Calculate graph global, local, or nodal efficiency
graph_attr_dt Create a data table with graph global measures
graph_neighborhood_multiple Take the union of multiple neighborhood graphs
hoa112 Coordinates for data from Harvard-Oxford atlas
loo "Leave-one-out" approach to estimate individual network contribution
lpba40 Coordinates for data from the LONI probabilistic brain atlas
make_empty_brainGraph Create an empty graph with attributes for brainGraph
NBS Network-based statistic for brain MRI data
part.coeff Calculate vertex participation coefficient
permute.group Permutation test for group difference of graph measures
plot_boot Plot global graph measures with shaded regions calculated from bootstrapping
plot_brainGraph Plot a graph with a specific spatial layout
plot_brainGraph_gui GUI for plotting graphs overlaid on an MNI152 image or in a circle.
plot_brainGraph_list Write PNG files for a list of graphs
plot_brainGraph_mni Draw an axial or sagittal slice of the MNI152 T1 image
plot_corr_mat Plot a correlation matrix
plot_global Plot global graph measures across densities
plot_group_means Plot group distributions of volumetric measures for a given brain region
plot_perm_diffs Calculate permutation p-values and plot group differences
plot_rich_norm Plot normalized rich club coefficients against degree threshold
plot_vertex_measures Plot vertex-level graph measures at a single density
rich.club.coeff Calculate the rich club of a graph
rich.club.norm Calculate the normalized rich club coefficient
rich.core Calculate the rich core of a graph
robustness Analysis of network robustness
rotation Apply a rotation matrix to a set of points
set.brainGraph.attributes Set a number of graph and vertex attributes useful in MRI analyses
sim.rand.graph.clust Simulate a random graph with given degree sequence and clustering.
sim.rand.graph.par Simulate N random graphs w/ same clustering and degree sequence as the input.
small.world Calculate graph small-worldness
SPM Perform between-group tests at each vertex for a given vertex measure
update_brainGraph_gui Function to dynamically plot a graph
vec.transform Transform a vector to have a different range
vertex_attr_dt Create a data table with graph vertex measures
vertex_spatial_dist Calculate average Euclidean distance for each vertex
vulnerability Calculate graph vulnerability
within_module_deg_z_score Calculate vertex within-module degree z-score
write.brainnet Write files to be used for visualization with BrainNet Viewer