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<p class="MsoNormal">Dear EEGLAB experts,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Using a matlab script, I would like to split an epoched file with say 90 epochs into subset 1 (epoch 1:30), subset 2 (31:60), subset 3 (61:90), and save these subsets in separate set-files.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">It works fine for the first subset with this code:<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">EEG = pop_loadbva(filliste(n).name);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">EEG = eeg_checkset( EEG );<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">EEG = pop_select( EEG,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#A020F0">'trial'</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">,[1:30]
);<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">EEG = eeg_checkset( EEG );</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">[ALLEEG EEG CURRENTSET] = pop_newset(ALLEEG, EEG, 1,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#A020F0">'setname'</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#A020F0">'temp'</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#A020F0">'gui'</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#A020F0">'off'</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">EEG = pop_saveset( EEG,
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#A020F0">'filename'</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">,new_filename,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#A020F0">'filepath'</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">,savedir);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The problem appears when I want to re-select the mother dataset containing all epochs in order to select the next subset. Using the GUI and saving the eeglabhist.m indicates that this is the next line of code,
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">[ALLEEG EEG CURRENTSET] = pop_newset(ALLEEG, EEG, 2,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#A020F0">'retrieve'</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">,1,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#A020F0">'study'</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">,0);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">but when I continue with this line, selecting the next trials, matlab returns “Error: dataset is empty”.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">EEG = pop_select( EEG,</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:#A020F0">'trial'</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Courier New";color:black">,[31:60]
);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Any ideas anyone?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Dagfinn Matre<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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