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iCAPs_v2/packages/spm12/spm_design_flexible.m
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spm_design_flexible.m
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function [H,Hnames,B,Bnames] = spm_design_flexible(fblock,I)
% Create H partition of design matrix
% FORMAT [H,Hnames,B,Bnames] = spm_design_flexible(fblock,I)
%
% fblock - Part of job structure containing within-subject design info
% I - Nscan x 4 factor matrix
%
% H - Component of design matrix describing conditions
% Hnames - Condition names
% B - Component of design matrix describing blocks
% Bnames - Block names
%__________________________________________________________________________
% Copyright (C) 2008-2014 Wellcome Trust Centre for Neuroimaging
% Will Penny
% $Id: spm_design_flexible.m 6280 2014-12-05 14:52:06Z guillaume $
%-Sort main effects and interactions
%--------------------------------------------------------------------------
fmain = struct('fnum',{});
inter = struct('fnums',{});
for k=1:numel(fblock.maininters)
if isfield(fblock.maininters{k},'fmain')
fmain(end+1) = fblock.maininters{k}.fmain;
elseif isfield(fblock.maininters{k},'inter')
inter(end+1) = fblock.maininters{k}.inter;
end
end
H = []; Hnames = {};
B = []; Bnames = {};
%-Create main effects
%--------------------------------------------------------------------------
for f=1:length(fmain)
fcol = fmain(f).fnum;
fname = fblock.fac(fcol).name;
% Augment H partition - explicit factor numbers are 1 lower than in I matrix
[Hf,Hfnames] = spm_DesMtx(I(:,fcol+1),'-',fname);
if strcmpi(fname,'subject')
B = [B,Hf];
Bnames = [Bnames; Hfnames];
else
H = [H,Hf];
Hnames = [Hnames; Hfnames];
end
end
%-Create interactions
%--------------------------------------------------------------------------
for i=1:length(inter)
% Factors for this interaction
f = inter(i).fnums;
% Names
iname = {fblock.fac(f).name};
% Augment H partition - explicit factor numbers are 1 lower than in I matrix
[Hf,Hfnames] = spm_DesMtx(I(:,f+1),'-',iname);
H = [H,Hf];
Hnames = [Hnames; Hfnames];
end
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