<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1487182402574_49273"><span>Hi Anne,</span></div><div id="yui_3_16_0_ym19_1_1487182402574_49273"><span><br></span></div><div id="yui_3_16_0_ym19_1_1487182402574_49273"><span id="yui_3_16_0_ym19_1_1487182402574_49423">Many thanks for your advice. I have finally got this fixed!</span></div><div id="yui_3_16_0_ym19_1_1487182402574_49273"><span><br></span></div><div id="yui_3_16_0_ym19_1_1487182402574_49273" dir="ltr"><span id="yui_3_16_0_ym19_1_1487182402574_49402">I tried to check the event type but at first I couldn't use the line (cfg.trialdef.eventtype='?') -- it turned out there was no events list imported which I managed to overlook. To fix it I first used:</span></div><div id="yui_3_16_0_ym19_1_1487182402574_49273" dir="ltr"><span id="yui_3_16_0_ym19_1_1487182402574_49609"><i id="yui_3_16_0_ym19_1_1487182402574_49621">event = ft_read_event(''filename.set') </i>and then check the event type in fieldtrip with the line you sent. Once I'd done this I could then use the event type in my old code. </span></div><div id="yui_3_16_0_ym19_1_1487182402574_49273" dir="ltr">Thanks again as I wouldn't think about it if not for your suggestion.<br></div><div id="yui_3_16_0_ym19_1_1487182402574_49273" dir="ltr">Best,</div><div id="yui_3_16_0_ym19_1_1487182402574_49273" dir="ltr"><span id="yui_3_16_0_ym19_1_1487182402574_49736">Justyna</span></div><div id="yui_3_16_0_ym19_1_1487182402574_49273" dir="ltr"> <br></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1487182402574_49270"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1487182402574_49262" style="display: block;"> <div style="font-family: Helvetica Neue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 13px;" id="yui_3_16_0_ym19_1_1487182402574_49261"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1487182402574_49260"> <div dir="ltr" id="yui_3_16_0_ym19_1_1487182402574_49259"> <font size="2" face="Arial" id="yui_3_16_0_ym19_1_1487182402574_49258"> <hr size="1" id="yui_3_16_0_ym19_1_1487182402574_49269"> <b id="yui_3_16_0_ym19_1_1487182402574_49406"><span style="font-weight:bold;" id="yui_3_16_0_ym19_1_1487182402574_49405">From:</span></b> anne Hauswald <anne.hauswald@me.com><br> <b id="yui_3_16_0_ym19_1_1487182402574_49408"><span style="font-weight: bold;" id="yui_3_16_0_ym19_1_1487182402574_49407">To:</span></b> justyna marie <justyna_marie@yahoo.com>; FieldTrip discussion list <fieldtrip@science.ru.nl> <br> <b id="yui_3_16_0_ym19_1_1487182402574_50078"><span style="font-weight: bold;" id="yui_3_16_0_ym19_1_1487182402574_50077">Sent:</span></b> Thursday, 16 February 2017, 8:05<br> <b id="yui_3_16_0_ym19_1_1487182402574_50080"><span style="font-weight: bold;" id="yui_3_16_0_ym19_1_1487182402574_50079">Subject:</span></b> Re: [FieldTrip] Question about ft_definetrials<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1487182402574_49266"><br><div id="yiv4677269928"><div id="yui_3_16_0_ym19_1_1487182402574_49267">Hi Justyna, <div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49268"><br clear="none" class="yiv4677269928"></div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49401">I just scanned your code, but just to be sure: did you check your event type with fieldtrip?</div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49400"><br clear="none" class="yiv4677269928"></div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49371">For my EEG data e.g. the event type is ‚Stimulus‘.</div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49399">You can check it with the following code</div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49373"><pre class="yiv4677269928code" id="yui_3_16_0_ym19_1_1487182402574_49372">cfg = [];
cfg.dataset = 'yourfile.ext';
cfg.trialdef.eventtype = '?';
ft_definetrial(cfg);</pre><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49422">(<a rel="nofollow" shape="rect" class="yiv4677269928" target="_blank" href="http://www.fieldtriptoolbox.org/faq/how_can_i_find_out_what_eventvalues_and_eventtypes_there_are_in_my_data" id="yui_3_16_0_ym19_1_1487182402574_49421">http://www.fieldtriptoolbox.org/faq/how_can_i_find_out_what_eventvalues_and_eventtypes_there_are_in_my_data</a>)</div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49464"><br clear="none" class="yiv4677269928"></div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49463">Best Anne</div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49456"><br clear="none" class="yiv4677269928"></div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49477"><br clear="none" class="yiv4677269928"></div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49457"><br clear="none" class="yiv4677269928"></div><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49458"><br clear="none" class="yiv4677269928"></div><div id="yui_3_16_0_ym19_1_1487182402574_49461"><blockquote class="yiv4677269928" type="cite" id="yui_3_16_0_ym19_1_1487182402574_49460"><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49459">Am 15.02.2017 um 22:13 schrieb justyna marie <<a rel="nofollow" shape="rect" class="yiv4677269928" ymailto="mailto:justyna_marie@yahoo.com" target="_blank" href="mailto:justyna_marie@yahoo.com" id="yui_3_16_0_ym19_1_1487182402574_49476">justyna_marie@yahoo.com</a>>:</div><br clear="none" class="yiv4677269928Apple-interchange-newline"><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49639"><div class="yiv4677269928yqt7891320511" id="yiv4677269928yqt56945"><div class="yiv4677269928" id="yui_3_16_0_ym19_1_1487182402574_49638"><div class="yiv4677269928" style="background-color:rgb(255, 255, 255);font-family:'Helvetica Neue-Light', 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif;font-size:13px;" id="yui_3_16_0_ym19_1_1487182402574_49637"><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30931" style="display:table;width:1140px;outline:none 0px;padding:0px 30px;"><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30932" style="display:table-cell;width:auto;word-wrap:break-word;"><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30933"><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30934"><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30935" style=""><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30936" style="color:rgb(34, 34, 34);font-size:small;font-family:arial, helvetica, sans-serif;">Dear community members,</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30937" style="color:rgb(34, 34, 34);font-size:small;font-family:arial, helvetica, sans-serif;"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30938"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30939" style="color:rgb(34, 34, 34);font-size:small;font-family:arial, helvetica, sans-serif;">I am new to Fieldtrip therefore would very much appreciate your advice on the following:</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30940" style="color:rgb(34, 34, 34);font-size:small;font-family:arial, helvetica, sans-serif;">I have been trying to convert my pre-processed and segmented EEG data from eeglab .set format to Fieldtrip to perform some analyses. My data contains epochs marked by 5 types of trigger values ('3','4','5','6','7'). </div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30941" style="color:rgb(34, 34, 34);font-size:small;font-family:arial, helvetica, sans-serif;"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30942"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30943" style="color:rgb(34, 34, 34);font-size:small;font-family:arial, helvetica, sans-serif;">I used:</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30944" style="color:rgb(34, 34, 34);font-size:small;font-family:arial, helvetica, sans-serif;"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30945"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30946" style="color:rgb(34, 34, 34);font-family:arial, sans-serif;font-size:small;"><font class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30947" face="arial, helvetica, sans-serif">mydata = eeglab2fieldtrip (EEG, 'preprocessing');</font><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30948"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30949" style="color:rgb(34, 34, 34);font-family:arial, sans-serif;font-size:small;"><font class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30950" face="arial, helvetica, sans-serif"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30951"></font></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30952" style="color:rgb(34, 34, 34);font-family:arial, sans-serif;font-size:small;"><font class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30953" face="arial, helvetica, sans-serif">to convert between data formats and then build condition corresponding to my markers with cfg.trialdef structure but unfortunately I keep getting the following message:</font></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30954" style="color:rgb(34, 34, 34);font-family:arial, sans-serif;font-size:small;"><font class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30955" face="arial, helvetica, sans-serif"></font><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30956"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30957"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30958"><b class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30959">Error using ft_definetrial (line 188)</b></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30960"><b class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30961">no trials were defined, see FT_DEFINETRIAL for help</b></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30962"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30963"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30964">I then tried to define the trial structure with the following script:</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30965"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30966"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30967"><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30968">eventValues = {'3','4','5','6','7'};</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30969">prepost = [0.2 1.7];</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30970">ftype = 'eeglab_set';</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30971">data = struct;</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30972">for evVal = 1:length(eventValues)</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30973"> infile = fullfile(strcat('D:\Exp_8\EEG_ analyses\filename', [eventValues{evVal}],'.set'));</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30975"> cfg = [];</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30976"> cfg.dataset = infile;</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30977"> cfg.headerfile = infile;</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30978"> cfg.dataformat = ftype;</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30979"> cfg.headerformat = ftype;</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30980"> </div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30981"> cfg.continuous = 'no';</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30982"> cfg.trialdef.prestim = prepost(1);</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30983"> cfg.trialdef.poststim = prepost(2);</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30984"> cfg.trialfun = 'ft_trialfun_general';</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30985"> cfg.trialdef.eventtype = 'Trigger';</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30986"> cfg.trialdef.eventvalue = eventValues{evVal};</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30987"> cfg = ft_definetrial(cfg);</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30988"> data.(eventValues{evVal}) = ft_preprocessing(cfg);</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30989">end</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30990"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30991"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30992"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30993"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30994">but I am getting exactly the same error...</div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30995"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30996"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30997">Any suggestions of likely mistakes of my part/ problem with script would be most helpful.</div><div class="yiv4677269928" dir="ltr" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_31000"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_31001"></div><div class="yiv4677269928" dir="ltr" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_31002">Many thanks,</div><div class="yiv4677269928" dir="ltr" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_31003"><br clear="none" class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_31004"></div><div class="yiv4677269928" dir="ltr" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_31005">Justyna</div></div></div></div></div></div></div></div><div class="yiv4677269928"></div><div class="yiv4677269928" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30844"> </div><div class="yiv4677269928signature" id="yiv4677269928yui_3_16_0_ym19_1_1487182402574_30845"><br clear="none" class="yiv4677269928"></div></div></div></div>_______________________________________________<br clear="none" class="yiv4677269928">fieldtrip mailing list<br clear="none" class="yiv4677269928"><a rel="nofollow" shape="rect" class="yiv4677269928" ymailto="mailto:fieldtrip@donders.ru.nl" target="_blank" href="mailto:fieldtrip@donders.ru.nl">fieldtrip@donders.ru.nl</a><br clear="none" class="yiv4677269928">https://mailman.science.ru.nl/mailman/listinfo/fieldtrip</div></blockquote></div><br clear="none" class="yiv4677269928"></div></div></div><br><br></div> </div> </div> </div></div></body></html>