Graph Theory Analysis of Brain MRI Data


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Documentation for package ‘brainGraph’ version 1.0.0

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aal116 Coordinates for data from the AAl116 atlas
aal2.120 Coordinates for data from the AAL2 atlas
aal2.94 Coordinates for data from the AAL2 atlas
aal90 Coordinates for data from the AAl90 atlas
analysis_random_graphs Perform an analysis with random graphs for brain MRI data
aop Approaches to estimate individual network contribution
assign_lobes Give vertices in a graph a _lobe_ attribute.
auc_diff Difference in the area-under-the-curve of two vectors
boot_global Bootstrapping for global graph measures
brainGraph_GLM Run linear models at each vertex of a graph
brainGraph_GLM_design Create a design matrix for linear model analysis
brainGraph_GLM_fit Fit linear models and calculate statistics
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.
contract_brainGraph Contract graph vertices based on brain lobe and hemisphere
cor.diff.test Calculate the p-value for differences in correlation coefficients
corr.matrix Calculate correlation matrix and threshold
CountEdges Count number of edges of a brain graph
count_homologous Count number of edges of a brain graph
count_interlobar Count number of edges of a brain graph
craddock200 Coordinates for data from the Craddock200 atlas
create_mats Create connection matrices for tractography or fMRI data
delete_all_attr Delete all attributes of a graph
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
dosenbach160 Coordinates for data from the Dosenbach160 atlas
edge_asymmetry Calculate an asymmetry index based on edge counts
edge_spatial_dist Calculate Euclidean distance of edges and vertices
efficiency Calculate graph global, local, or nodal efficiency
gateway_coeff Gateway coefficient, participation coefficient, and within-mod degree z-score
get.resid Linear model residuals across brain regions
graph.efficiency Calculate graph global, local, or nodal efficiency
GraphColors Color graph vertices and edges
GraphDistances Calculate Euclidean distance of edges and vertices
graph_attr_dt Create a data table with graph global measures
hoa112 Coordinates for data from Harvard-Oxford atlas
IndividualContributions Approaches to estimate individual network contribution
loo Approaches to estimate individual network contribution
lpba40 Coordinates for data from the LONI probabilistic brain atlas
make_ego_brainGraph Create a graph of the union of multiple vertex neighborhoods
make_empty_brainGraph Create an empty graph with attributes for brainGraph
NBS Network-based statistic for brain MRI data
part_coeff Gateway coefficient, participation coefficient, and within-mod degree z-score
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 brain 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_brainGraph_multi Save PNG of three views of a brain graph
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 or threshold
rich_club_attrs Assign graph attributes based on rich-club analysis
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 graph, vertex, and edge attributes common in MRI analyses
set_brainGraph_attr Set graph, vertex, and edge attributes common in MRI analyses
set_edge_color Color graph vertices and edges
set_vertex_color Color graph vertices and edges
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
update_brainGraph_gui Function to dynamically plot a graph
vec.transform Transform a vector to have a different range
VertexRoles Gateway coefficient, participation coefficient, and within-mod degree z-score
vertex_attr_dt Create a data table with graph vertex measures
vertex_spatial_dist Calculate Euclidean distance of edges and vertices
vulnerability Calculate graph vulnerability
within_module_deg_z_score Gateway coefficient, participation coefficient, and within-mod degree z-score
write_brainnet Write files to be used for visualization with BrainNet Viewer