load_dataset.m

function [STUDY, ALLEEG, dsname] = load_dataset(filepath, outputDir, modeval, subjects, ctffunc, varargin)
    % check EEGLAB environment
    if plugin_status('bids-matlab-tools') == 0 && plugin_status('EEG-BIDS') == 0
        error('EEG-BIDS plugin is not installed. Please install it before using this function.');
    end

    opt = finputcheck(varargin, {
        'bidsevent'    'string'  {}    'on';
        'bidschanloc'      'string'  {}    'on';
        'metadata'      'string' {}    'off';}, 'load_dataset');
    opt
    if isstr(opt), error(opt); end

    modeval
    % set up output path
    [root_dir,dsname] = fileparts(filepath);
    disp(['outputdir ' outputDir]);
    disp(['inputdir ' filepath]);

    % read or import data
    pop_editoptions( 'option_storedisk', 1);
    %useBidsChans = { 'ds002718' 'ds002814' 'ds003190' 'ds002578' 'ds002887' 'ds003004' 'ds002833' 'ds002691' 'ds002791' 'ds001787' 'ds003474' };
    useRawChans = {'ds003645'};
    studyFile = fullfile(outputDir, [dsname '.study']);
    if ~exist(studyFile, 'file') || strcmpi(modeval, 'new')
        if ismember(dsname, useRawChans), bidsChan = 'off'; else bidsChan = 'on'; end
        disp(['bidsChan ' bidsChan]);
        [STUDY, ALLEEG, ~, stats] = pop_importbids(filepath, 'bidsevent', opt.bidsevent,'bidschanloc', opt.bidschanloc,'studyName',dsname,'outputdir', outputDir, 'subjects', subjects, 'ctffunc', ctffunc, 'metadata', opt.metadata);
        % save stats in code/nemar.json
    else
        tic
        [STUDY, ALLEEG] = pop_loadstudy(studyFile);
    end