<div dir="ltr">Dear Lars, <div class="gmail_extra">A few comments below.<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" style="font-size:12pt;color:rgb(0,0,0);background-color:rgb(255,255,255);font-family:Calibri,Arial,Helvetica,sans-serif"><p style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px">I used the topoplot function to produce an output: grid_or_val; which is a 2D grid of interpolated channel values.<br>
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<p style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px">I used this output to apply cluster based correction for multiple comparisons (for frequency x electrode space).<br></p></div></blockquote><div>Using the 64x64 matrix (output from topoplot) to make stats on it should be done under very specific and limited cisrcunstances. As you mentioned, the topogaphy given by topoplot is the result of an interpolation made on the original values provided as inputs. In most cases, this will raise concerns since you are doing stats on artificially created values. You might want to avoid making stats on the interpolated values and try to make them on the original values (before the interpolation). Solved this, you will not need topoplot to accept a 64x64 matrix as input. <br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" style="font-size:12pt;color:rgb(0,0,0);background-color:rgb(255,255,255);font-family:Calibri,Arial,Helvetica,sans-serif"><p style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px">
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As a result I have a 3D matrix (gridX x gridY x freq) which I would like to plot again in a topoplot.<br>
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<p style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px">The problem is that the topoplot function only accepts electrode-data and not this interpolated grid.<br></p></div></blockquote><div><br></div><div><br></div><div>However, if still want to do this. You can plot any topoplot figure, get the handles and replace the field associated with the data plotted. This way you can keep the topoplot features. This is just one way... there may be more, and maybe easier. But given the reply to the first part of your email, you might not need to do this trick.</div><div><br></div><div>Hope this helps,</div><div>Ramon</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" style="font-size:12pt;color:rgb(0,0,0);background-color:rgb(255,255,255);font-family:Calibri,Arial,Helvetica,sans-serif"><p style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px">
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<p style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px"><br>
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<p style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px">Is it possible to create a head-plot with my thresholded T-value maps (the grid)?<br>
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<p style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:16px">Best,<br>
Lars Benschop<br>
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