S4 class for storing data for statistical analysis

S4 class for storing data for statistical analysis

Slots

data_array

matrix containing data of dimensions (N x T), where N = number of subjects and T = number of vertices/voxels.

data_array_lh

matrix containing data for left hemisphere.

data_array_rh

matrix containing data for right hemisphere.

analysis_type

character string denoting the type of analysis. Valid types are "sba", "tbm" or "roi".

data_type

character string denoting the type of data. Valid types are "surface" or "nifti_image".

demographics

data.frame containing the demographic information. Usually loaded from a csv file.

subjdir

character string for subject directory.

csv

filename of a comma separated (csv) file containing the subject demographic information.

smooth

numeric value used to smooth the data.

measure

character string denoting the type of measure used.

filelist

list of files belonging to N subjects.

load_data_command

character string for the command used to load the data

hemi

character string to specifiy the hemisphere. Valid values are "left" or "right" or "both"

nvertices_lh

numeric value containing the number of vertices for the left cortical surface atlas

nvertices_rh

numeric value containing the number of vertices for the right cortical surface atlas