need help with hdr.label

clear;

clf;

clc;

% Read EEG file data

% ask user

cd 'F:\'

display('Select edf data file to analyze');

[filename, filepath] = uigetfile('*.edf', 'Select edf file');

if filename == 0 return; end;

fname = [filepath filename];

[hdr, record]=edfRead(fname);

Line 27

%if length(hdr.label)< 50

Line 28

if length(hdr.label)< 30

data.Fp1 = record(1,:);

data.Fp2 = record(2,:);

data.F3 = record(3,:);

data.F4 = record(4,:);

data.C3 = record(5,:);

data.C4 = record(6,:);

data.P3 = record(7,:);

data.P4 = record(8,:);

data.O1 = record(9,:);

data.O2 = record(10,:);

data.F7 = record(11,:);

data.F8 = record(12,:);

data.T3 = record(13,:);

data.T4 = record(14,:);

data.T5 = record(15,:);

data.T6 = record(16,:);

data.A1 = record(17,:);

data.A2 = record(18,:);

data.Fz = record(19,:);

data.Cz = record(20,:);

data.Pz = record(21,:);

data.SubL = record(22,:);

data.SubR = record(23,:);

data.ECG = record(24,:);

else

data.Fp1 = record(1,:);

data.Fp2 = record(2,:);

data.F4 = record(3,:);

data.C3 = record(4,:);

data.C4 = record(5,:);

data.P3 = record(6,:);

data.P4 = record(7,:);

data.O1 = record(8,:);

data.O2 = record(9,:);

data.F7 = record(10,:);

data.F8 = record(11,:);

data.FC3 = record(12,:);

data.FT7 = record(13,:);

data.FT8 = record(14,:);

data.T7 = record(15,:);

data.T8 = record(16,:);

data.A1 = record(17,:);

data.A2 = record(18,:);

data.FCz = record(19,:);

data.TP7 = record(20,:);

data.CPz = record(21,:);

data.CP3 = record(22,:);

data.P7 = record(23,:);

data.TP8 = record(24,:);

data.P8 = record(25,:);

data.CP4 = record(26,:);

data.Oz = record(27,:);

data.HEOL = record(28,:);

data.HEOR = record(29,:);

data.FPz = record(30,:);

data.AF3 = record(31,:);

data.AF7 = record(32,:);

data.F5 = record(33,:);

data.AF8 = record(34,:);

data.AF4 = record(35,:);

data.F1 = record(36,:)

>>Line 91 is here<<

data.FC5 = record(37,:);

data.F6 = record(38,:);

data.F2 = record(39,:);

data.FC1 = record(40,:);

data.C5 = record(41,:);

data.FC6 = record(42,:);

data.FC2 = record(43,:);

data.C2 = record(44,:);

data.C1 = record(45,:);

data.CP1 = record(46,:);

data.CP5 = record(47,:);

data.P5 = record(48,:);

data.PO7 = record(49,:);

data.PO8 = record(50,:);

data.C6 = record(51,:);

data.CP6 = record(52,:);

data.PO6 = record(53,:);

data.P6 = record(54,:);

data.CP2 = record(55,:);

data.PO4 = record(56,:);

data.P2 = record(57,:);

data.PO2 = record(58,:);

data.P1 = record(59,:);

data.PO3 = record(60,:);

data.PO5 = record(61,:);

data.Fz=record(39,:); %duplicated because cap shows 'Fz' but header

% shows 'F2'. rest of program uses 'Fz'

% instead of T3,T4 use T7,T8

end;

If I use Line 28 I get this error:

Select edf data file to analyze

Index exceeds matrix dimensions.

Error in SpectralRatioST (line 91)

data.FC5 = record(37,:);

Length(hdr.label) is 36. I think if I can extend that somehow the “Else” portion will work.