<div dir="ltr">Dear Mahsa,<div><br></div><div>have you seen these?<br></div><div><br></div><div><a href="https://sccn.ucsd.edu/wiki/Chapter_09:_Decomposing_Data_Using_ICA#How_to_deal_with_.22corrupted.22_ICA_decompositions">https://sccn.ucsd.edu/wiki/Chapter_09:_Decomposing_Data_Using_ICA#How_to_deal_with_.22corrupted.22_ICA_decompositions</a></div><div><a href="https://sccn.ucsd.edu/wiki/Chapter_09:_Decomposing_Data_Using_ICA#Issue:_ICA_returns_near-identical_components_with_opposite_polarities">https://sccn.ucsd.edu/wiki/Chapter_09:_Decomposing_Data_Using_ICA#Issue:_ICA_returns_near-identical_components_with_opposite_polarities</a><br></div><div><br></div><div>Make sure that your data is full rank, free of non-stereotypical artifacts, and maybe try AMICA in case the two components you showed come from Infomax. Good luck!</div><div><br></div><div><br></div><div>Best,</div><div>Mircea</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Oct 9, 2017 at 8:17 PM, mahsa shalchy <span dir="ltr"><<a href="mailto:mahsa.shalchy@gmail.com" target="_blank">mahsa.shalchy@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><span style="font-size:12.8px">Dear Experts,</span><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">I collected some data using Biosemi system (32 channels) and after doing pre-processing steps (resampling, filtering, re-referencing), I epoched the data and applied ICA. </div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">My problem is that, I'm getting two similar components in my ICA results (IC3 and IC4). </div><div style="font-size:12.8px"><br></div><div><span style="font-size:12.8px">I uploaded related images here:</span></div><div><span style="font-size:12.8px"><br><a href="https://www.dropbox.com/sh/etjkwjrse12lu5j/AABpJvKmKWY5n69eER1GrPGka?dl=0" target="_blank">https://www.dropbox.com/sh/<wbr>etjkwjrse12lu5j/<wbr>AABpJvKmKWY5n69eER1GrPGka?dl=0</a></span><br></div><div><span style="font-size:12.8px"><br></span></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Could you please help me with this?</div><div><br></div><div>Many thanks,</div><div>Mahsa</div></div>
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