<div dir="ltr">Yes, you should be able to use it within searchlights as any other Measure class. Unfortunately, I do not think that it can support a varying covariance matrix at the moment, which makes it less ideal to work with Mahalanobis distances. We should augment that to allow such option.</div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 25, 2017 at 12:44 PM, basile pinsard <span dir="ltr"><<a href="mailto:basile.pinsard@gmail.com" target="_blank">basile.pinsard@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"><div><div><div><div>Hi Matteo,<br><br></div>thanks, that's great, I will give it a try.<br></div>Also do you think this can be used in a Searchlight?<br>Even with varying kwargs to give the spatial covariance matrix in case of mahalanobis?<br><br></div>Thank you.<span class="HOEnZb"><font color="#888888"><br><br></font></span></div><span class="HOEnZb"><font color="#888888">Basile<br></font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 25, 2017 at 12:13 PM, Matteo Visconti di Oleggio Castello <span dir="ltr"><<a href="mailto:matteo.visconti@gmail.com" target="_blank">matteo.visconti@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">Hi Basile,<div><br></div><div>the new release of PyMVPA 2.6.1 introduces mvpa2.measures.rsa.CDist, that allows you to compute cross-validated RSA (<a href="https://github.com/PyMVPA/PyMVPA/blob/master/mvpa2/measures/rsa.py#L27" target="_blank">https://github.com/PyMVPA/PyM<wbr>VPA/blob/master/mvpa2/measures<wbr>/rsa.py#L27</a>), and you can specify which distance metric you want to use, with additional kwargs.</div><div><br></div><div>Matteo<br></div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="m_-2271050789461877466h5">On Tue, Apr 25, 2017 at 11:14 AM, basile pinsard <span dir="ltr"><<a href="mailto:basile.pinsard@gmail.com" target="_blank">basile.pinsard@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="m_-2271050789461877466h5"><div dir="ltr"><div>Hi PyMVPA developers and users.<br><br></div>I was wondering if there was a way in PyMVPA to use the approaches described in this paper:<br clear="all"><div><div><div>"Reliability of dissimilarity measures for multi-voxel pattern analysis"<br></div><div>were the use of cross-validated mahalanobis distance is advocated in favor of correlation based RSA measures.<br><br></div><div>Thank you.<span class="m_-2271050789461877466m_8786489680103636610HOEnZb"><font color="#888888"><br></font></span></div><span class="m_-2271050789461877466m_8786489680103636610HOEnZb"><font color="#888888"><div><br>-- <br><div class="m_-2271050789461877466m_8786489680103636610m_-4059268507490670440gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><font size="1">Basile Pinsard<br></font></div><i><font size="1">PhD candidate, <br></font></i></div><font size="1">Laboratoire d'Imagerie Biomédicale, UMR S 1146 / UMR 7371, Sorbonne Universités, UPMC, INSERM, CNRS</font><br><font size="1"><span><span style="color:rgb(51,51,51)"><span style="font-family:arial,serif"><span lang="en-GB"><i>Brain-Cognition-Behaviour Doctoral School </i></span></span></span><span style="color:rgb(51,51,51)"><span style="font-family:arial,serif"><span lang="en-GB"><b>, </b>ED3C<b>, </b>UPMC, Sorbonne Universités<br>Biomedical Sciences Doctoral School, Faculty of Medicine, Université de Montréal <br></span></span></span></span></font><font size="1">CRIUGM, Université de Montréal</font><br></div></div></div></div></div></div></div></div>
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<a href="http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-exppsy-pymvpa" rel="noreferrer" target="_blank">http://lists.alioth.debian.org<wbr>/cgi-bin/mailman/listinfo/pkg-<wbr>exppsy-pymvpa</a><span class="m_-2271050789461877466HOEnZb"><font color="#888888"><br></font></span></blockquote></div><span class="m_-2271050789461877466HOEnZb"><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div class="m_-2271050789461877466m_8786489680103636610gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div style="font-size:12.8px">Matteo Visconti di Oleggio Castello<br>Ph.D. Candidate in Cognitive Neuroscience<br>Dartmouth College<br><br><span title="Call with Google Voice"><a href="tel:(603)%20646-8665" value="+16036468665" target="_blank">+1 (603) 646-8665</a></span></div><div style="font-size:12.8px"><a href="http://www.mvdoc.me/" target="_blank">mvdoc.me</a> || <a href="http://linkedin.com/in/matteovisconti" target="_blank">linkedin.com/in/ma<wbr>tteovisconti</a> || <a href="http://github.com/mvdoc" target="_blank">github.com/mvd<wbr>oc</a></div></div></div></div></div>
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<a href="mailto:Pkg-ExpPsy-PyMVPA@lists.alioth.debian.org" target="_blank">Pkg-ExpPsy-PyMVPA@lists.alioth<wbr>.debian.org</a><br>
<a href="http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-exppsy-pymvpa" rel="noreferrer" target="_blank">http://lists.alioth.debian.org<wbr>/cgi-bin/mailman/listinfo/pkg-<wbr>exppsy-pymvpa</a><br></blockquote></div><br><br clear="all"><br>-- <br><div class="m_-2271050789461877466gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div><font size="1">Basile Pinsard<br></font></div><i><font size="1">PhD candidate, <br></font></i></div><font size="1">Laboratoire d'Imagerie Biomédicale, UMR S 1146 / UMR 7371, Sorbonne Universités, UPMC, INSERM, CNRS</font><br><font size="1"><span><span style="color:#333333"><span style="font-family:Arial,serif"><span lang="en-GB"><i>Brain-Cognition-Behaviour Doctoral School </i></span></span></span><span style="color:#333333"><span style="font-family:Arial,serif"><span lang="en-GB"><b>, </b>ED3C<b>, </b>UPMC, Sorbonne Universités<br>Biomedical Sciences Doctoral School, Faculty of Medicine, Université de Montréal <br></span></span></span></span></font><font size="1">CRIUGM, Université de Montréal</font><br></div></div></div></div></div></div></div></div>
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<a href="http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-exppsy-pymvpa" rel="noreferrer" target="_blank">http://lists.alioth.debian.<wbr>org/cgi-bin/mailman/listinfo/<wbr>pkg-exppsy-pymvpa</a><br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div style="font-size:12.8px">Matteo Visconti di Oleggio Castello<br>Ph.D. Candidate in Cognitive Neuroscience<br>Dartmouth College<br><br><span title="Call with Google Voice">+1 (603) 646-8665</span></div><div style="font-size:12.8px"><a href="http://www.mvdoc.me/" target="_blank">mvdoc.me</a> || <a href="http://linkedin.com/in/matteovisconti" target="_blank">linkedin.com/in/matteovisconti</a> || <a href="http://github.com/mvdoc" target="_blank">github.com/mvdoc</a></div></div></div></div></div>
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