<div dir="ltr"><div>Hi Mubeen,</div><div><br></div><div>The cfg.foi field specifies the frequency <i>range</i> in Hz, so the first option you mention.</div><div><br></div><div>This is described in the header of the function ft_selectdata, where you can always find a clear description of the input/output of FieldTrip functions:</div><div>
<span class="gmail-pl-c"><span class="gmail-pl-c">%</span> cfg.frequency = scalar or string, can be 'all', or [beg end], specify frequency range in Hz</span>
</div><div><br></div><div>Cheers,</div><div>Stephen<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 29 Mar 2022 at 10:55, mubeen afzal via fieldtrip <<a href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<span id="gmail-m_1476641561309149463ms-outlook-ios-cursor"></span>Thanks Jan will do. Can I ask if the specification of avgoverfrequency actually averages powspctrm values in all frequency bins if foi is [2 6] or looks at only 4hz the average of 2+6/2. The output says 1 frequency bin
and stat.freq shows 4 in output when aevraging is done meaning does it only look at 4Hz frequency?</div>
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Regards</div>
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Mubeen J</div>
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<div id="gmail-m_1476641561309149463divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> fieldtrip <<a href="mailto:fieldtrip-bounces@science.ru.nl" target="_blank">fieldtrip-bounces@science.ru.nl</a>> on behalf of Schoffelen, J.M. (Jan Mathijs) via fieldtrip <<a href="mailto:fieldtrip@science.ru.nl" target="_blank">fieldtrip@science.ru.nl</a>><br>
<b>Sent:</b> Tuesday, March 29, 2022 6:07:37 PM<br>
<b>To:</b> FieldTrip discussion list <<a href="mailto:fieldtrip@science.ru.nl" target="_blank">fieldtrip@science.ru.nl</a>><br>
<b>Cc:</b> Schoffelen, J.M. (Jan Mathijs) <<a href="mailto:janmathijs.schoffelen@donders.ru.nl" target="_blank">janmathijs.schoffelen@donders.ru.nl</a>><br>
<b>Subject:</b> Re: [FieldTrip] plotting clusters</font>
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<div style="overflow-wrap: break-word;">Hi Mubeen,
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<div>@1 and @2: Perhaps you can start by studying the documentation on internet:</div>
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<div><a href="https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.fieldtriptoolbox.org%2Ftutorial%2Fcluster_permutation_timelock%2F&data=04%7C01%7C%7C648907107d354f14c1b008da11579901%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637841365169980738%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=yYGC6%2BcbFuYKiPQojXCx7HKKw39%2FwbTtJtR1fgDZfDg%3D&reserved=0" target="_blank">https://www.fieldtriptoolbox.org/tutorial/cluster_permutation_timelock/</a></div>
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<div>The output data object is quite extensively described.</div>
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<div>@3: the error message is quite clear I think, so the answer would be ’no’, unless you squeeze out either the frequency or time dimension. This can be done with ft_selectdata, and an appropriate specification of the input cfg. Please refer to the
function’s help to get you on the way.</div>
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<div>Best wishes,</div>
<div>Jan-Mathijs</div>
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<div>On 28 Mar 2022, at 17:20, mubeen afzal via fieldtrip <<a href="mailto:fieldtrip@science.ru.nl" target="_blank">fieldtrip@science.ru.nl</a>> wrote:</div>
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Hi fieldtrip team,</div>
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I would like to know how to learn more on cluster permutation performed on two groups. </div>
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<li><span>what do positive and negative clusters represent</span></li><li>what is posclusterslabelmat represent</li><li>is there a way to plot positive clusters after wavelet analysis comparisons between two groups without specifying time or frequency as I am getting this error message:<span> </span><i>'this only works if
either frequency or time is a singleton dimension'</i></li></ol>
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my data currently is comparing frequencies between 2 and 6 Hz for time segments 0:0.2:5 seconds across 19 channels in two groups</div>
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Thanks for any help</div>
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Mubeen</div>
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