Hello Sophie,<div><br></div><div>Thanks a lot for your clarification. This is very useful.</div><div><br></div><div>Sunny<br><br>On Wednesday, July 25, 2018, Arana, S.L. (Sophie) <<a href="mailto:S.Arana@donders.ru.nl">S.Arana@donders.ru.nl</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div style="direction:ltr;font-family:Tahoma;color:#000000;font-size:10pt"><font size="2">Dear Sunny,</font>
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<div><font size="2">the multi-channel NIRS data tutorial is currently under construction and will hopefully be fully available in a couple of weeks. Until then, there might still be some inconsistencies such as the one you have encountered.</font></div>
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<div><font size="2">The variable you refer to is indeed missing. It refers to a filtered version of the data, and you can created it by running the following code before the epoching.</font></div>
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<span style="font-family:Courier;vertical-align:baseline;white-space:pre-wrap"><font size="2">cfg = [];</font></span></p>
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<span style="font-family:Courier;vertical-align:baseline;white-space:pre-wrap"><font size="2">cfg.hpfilter = 'yes';</font></span></p>
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<span style="font-family:Courier;vertical-align:baseline;white-space:pre-wrap"><font size="2">cfg.hpfreq = 0.01;
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<span style="font-family:Courier;vertical-align:baseline;white-space:pre-wrap"><font size="2">data_flt = ft_preprocessing(cfg,data_<wbr>down);</font></span></p>
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<span style="vertical-align:baseline;white-space:pre-wrap"><font size="2">This should help you to continue with the tutorial, but please do keep in mind that we are currently working on it and
you might encounter some other inconsistencies still later on.</font></span></p>
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<span style="vertical-align:baseline;white-space:pre-wrap"><font size="2">Best,</font></span></p>
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<span style="vertical-align:baseline;white-space:pre-wrap"><font size="2">Sophie</font></span></p>
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<div style="direction:ltr"><font face="Tahoma" size="2" color="#000000"><b>From:</b> fieldtrip [<a href="mailto:fieldtrip-bounces@science.ru.nl" target="_blank">fieldtrip-bounces@science.ru.<wbr>nl</a>] on behalf of Sunny p [<a href="mailto:sunnypitt1965@gmail.com" target="_blank">sunnypitt1965@gmail.com</a>]<br>
<b>Sent:</b> Tuesday, July 24, 2018 9:24 PM<br>
<b>To:</b> <a href="mailto:fieldtrip@science.ru.nl" target="_blank">fieldtrip@science.ru.nl</a><br>
<b>Subject:</b> [FieldTrip] Regarding Tutorial: Preprocessing and averaging of multi-channel NIRS data<br>
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<div dir="ltr"><span style="font-size:12.8px;float:none;display:inline">Hello All Good Day,</span>
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<div style="font-size:12.8px">Hope you are doing fine,</div>
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<div style="font-size:12.8px">Thanks a lot for providing with fieldtrip which is really useful to analyze fNIRS data. I have an issue in the "Preprocessing and averaging of multi-channel NIRS data" tutorial. Can you please help me with this issue?</div>
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<div style="font-size:12.8px">Issue: In the "<span style="font-size:small;background-color:rgb(255,255,255);float:none;display:inline">Preprocessing and averaging of multi-channel NIRS data" tutorial "<span> </span><a href="http://www.fieldtriptoolbox.org/tutorial/nirs_multichannel" style="color:rgb(17,85,204)" rel="noopener noreferrer" target="_blank">http://www.fieldtriptoolbox.<wbr>org/tutorial/nirs_multichannel</a></span></div>
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<div style="font-size:12.8px"><span style="font-size:small;background-color:rgb(255,255,255);float:none;display:inline">The "Epoch" section consists of a variable "data_flt.fsample" where "data_flt" variable is not defined. Can you please inform what is
this variable related to? as this is needed to complete my analysis. </span></div>
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<div style="font-size:12.8px"><span style="font-size:small;background-color:rgb(255,255,255);float:none;display:inline">Thanks for your understanding and support</span></div>
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<div style="font-size:12.8px"><span style="font-size:small;background-color:rgb(255,255,255);float:none;display:inline">Best Regards,<br>
Sunny</span></div>
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