MATLAB: Sorting the variables in cells

doit4mematrix manipulationno attempt

    in  r=
     {6x4 cell}
     {6x4 cell}
     {5x4 cell}
     {4x4 cell}
     {3x4 cell}
     {2x4 cell}
    r{1,1}
    'Genes'  'T0&T2' []  'perc'
    'YBL113C'  'u'  []  60
    'YBR138C'  'du'  3  100
    'YBR285W'  'du'  3  80
    'YCL056C'  'dd'  3  80
    'YDR042C'  'dd'  3  60
    'YDR286C'  'uu'  3  100
    'YDR476C'  'uu'  3  80
    'YER185W'  'du'  3  80
    'YGR015C'  'dd'  3  100
    'YGR035C'  'dd'  3  60
i want to sort rows according to  second column 
In 2nd column i have 'du','ud','uu','dd' mingled
i want to sort them as 
'Genes'  'T0&T2' []  'perc'
  'YBL113C'  'u'  []  60
'YBR138C'  'du'  3  100
  'YBR285W'  'du'  3  80
 'YER185W'  'du'  3  80
  'YCL056C'  'dd'  3  80
  'YDR042C'  'dd'  3  60
'YDR286C'  'uu'  3  100
 'YDR476C'  'uu'  3  80
please help

Best Answer

try this is code
s = {'du';'dd';'uu';'ud'};
r2 = r;
for jj = 1:numel(r2)
    q = r2{jj}(3:end,2);
    [i1,i1] = ismember(q,s);
    [i2,i2] = sort(i1);
    r2{jj} =  r2{jj}([1:2,i2(:)'+2],:);
end
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