function methods_numbers(fld)
snrthres = 2.5;
daythres = 3;
monkeys = {'M1','M2'};

fprintf('\n======================================================\n');
fprintf(['-- Running methods_numbers with SNRth ' num2str(snrthres) ...
    ', DAYth ' num2str(daythres) ' --\n']);
fprintf('======================================================\n');


for mi = 1:2
    monkey = monkeys{mi};

    %% find which data to include 
    datainfo = session_info();

    if strcmp(monkey,'M1')
        info = datainfo(1);
    else 
        info = datainfo(2);
    end
    sessions = info.dates;

    MP = get_mp(fld,monkey,sessions);

    %% set SNR threshold and find channels and sessions
    % limit MP to snr threshold
    incl = MP.snr>snrthres;
    MP_ = MP; % copy for backup

    % only include channels that have at least 5 sessions
    MP = MP(incl,:);
    [chid, ch_list] = findgroups(MP.chan_id);
    session_per_chan = splitapply(@length,MP.session_id,chid);

    % make a list of channels that we will include
    chans = ch_list(session_per_chan>daythres);
    
    %% count goodtrials
    q = MP.goodtrials; thrownout = [];
    for ch = chans'
        thrownout(end+1) = round((1-sum(q{ch})/length(q{ch}))*10000)/100;
    end
    
    disp(['for ' monkey ', we threw out between ' num2str(min(thrownout)) '% and ' num2str(max(thrownout)) '% of the trials']);
end