<html><body><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000"><div data-marker="__QUOTED_TEXT__"><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;" data-mce-style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;"><div>Hi everyone, </div><br><div>I was just wondering if you have seen my last email, regarding the use of Sifter for post-processing of Balancer's output. I understand you must be busy with other posts/questions/problems. So, just to remind you, in case you find some time to give a feedback, I'll be very thankful. </div></div><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;" data-mce-style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;"><br data-mce-bogus="1"></div><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;" data-mce-style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;">Thanks,<br><div>Usman Ayub Sheikh<br>Predoctoral Researcher<br>www.bcbl.eu<br><br>Legal disclaimer/Aviso legal/Lege-oharra: www.bcbl.eu/legal-disclaimer</div><br><hr id="zwchr"><div><b>From: </b>"Usman Sheikh" <u.sheikh@bcbl.eu><br><b>To: </b>"pkg-exppsy-pymvpa" <pkg-exppsy-pymvpa@lists.alioth.debian.org><br><b>Sent: </b>Wednesday, December 6, 2017 3:09:32 PM<br><b>Subject: </b>[pymvpa] Sifter for post-processing of Balancer's output<br></div><br><div><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;" data-mce-style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000;"><div><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US">Hi PyMVPA people,<br></span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US"><br></span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US">I want to ask if the method I am using for PyMVPA decoding for the problem summarized below makes sense. Also, if it does not make sense, what's wrong with it and what would be the better way to achieve what I want to achieve here.</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><br></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="de-DE">Problem:</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="de-DE">------------<br></span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US">I </span>am performing within<span lang="en-US">-subject </span>classification. Each dataset has 8 fMRI runs<span lang="en-US">, each of the</span> runs <span lang="en-US">comprises of 2 blocks of 8 trials. The</span>re are two classes of <span lang="en-US">visual stimuli </span>that I aim to decode. However, these stimulus classes can occur at different levels of perceptual visibility. </span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><br></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US">The problem is, since number of examples corresponding to each of different combinations of classes such as (visibility</span>-1, stimulus-1), (<span lang="en-US">visibility</span>-1, stimulus-2), (<span lang="en-US">visibility</span>-2, stimulus-1), (<span lang="en-US">visibility</span>-2, stimulus-2<span lang="en-US">) is neither equal in sessions nor in blocks. </span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><br></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"> <span><span>I <span lang="en-US">want to do MVPA decoding of </span>the stimulus class both within each level of visibility and across levels (e.g. training on visible trials and testing on less visible trials and vice versa). <span lang="en-US"> And while doing that, we want to make sure that the classes in each of the cross-validation folds are balanced.</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><br></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US"><br></span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US">What I am doing is:</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US">--------------------------<br></span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US">Once the dataset has been labeled with sample attributes </span>of stimulus class and visibility<span lang="en-US">, I am slicing it to a smaller set using e.g. ds_ = ds[ds.sa.</span>visibility <span lang="en-US">== 1] and then using CustomPartitioner (specs already calculated and checked) with trials (unique id of each trial) as attributes and cvtype of 0.25. But this will not give me balanced sets; so I use a Balancer to balance them with 'partitions' as limit. Balancer returns some sets where both </span>‘stimulus 1<span lang="en-US"> category' and '</span>stimulus 2<span lang="en-US"> category' are not present, say </span>for visibility 2 or 3<span lang="en-US">. To exclude these sets I use a Sifter. And now, I am getting equal number of both</span> stimulus classes <span lang="en-US">in each of the cross-validation folds. The ratio of 0.25 is not preserved in all of the sets but that's understandable. </span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><br></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US">pt = ChainNode([CustomPartitioner(specs, attr = 'trials'),</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"> <span><span><span lang="en-US">Balancer(attr = 'targets',</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"> <span><span>count = 1,</span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"> <span><span>limit = 'partitions',</span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"> <span><span><span lang="en-US">apply_selection = True),</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"> <span><span><span lang="de-DE">Sifter([('partitions', 2),</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"> <span><span><span lang="en-US">('targets', {'uvalues': [0, 1]})</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"> <span><span><span lang="de-DE">])</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"> <span><span><span lang="de-DE">],</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"> <span><span><span lang="de-DE">space = 'partitions')</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><br></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="it-IT"><br></span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="it-IT">Question:</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US">-------------<br></span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US">Does this make sense? Do you see any problem with this analysis? I have also printed out the examples ratio </span>of each stimulus class <span lang="en-US">for each of the conditions with and without Sifter, with and without Balancer, and it seems to be working well.</span></span></span></span></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span><span lang="en-US"><br></span></span></span></span></p><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span>If you have any feedback or further suggestions that would be much appreciated!</span></span></span><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><br></p><p style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;" align="left" data-mce-style="margin: 0px; background: #ffffff none repeat scroll 0% 0%; font-variant: normal; letter-spacing: normal; font-style: normal; font-weight: normal; line-height: 100%; page-break-inside: auto; text-decoration: none; page-break-after: auto;"><span style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;" data-mce-style="color: #000000; font-size: 13pt; font-family: arial,helvetica,sans-serif;"><span><span>Thanks,</span></span></span></p></div><div><span style="font-family: arial,helvetica,sans-serif;" data-mce-style="font-family: arial,helvetica,sans-serif;">Usman Ayub Sheikh</span><br><span style="font-family: arial,helvetica,sans-serif;" data-mce-style="font-family: arial,helvetica,sans-serif;">Predoctoral Researcher</span><br><span style="font-family: arial,helvetica,sans-serif;" data-mce-style="font-family: arial,helvetica,sans-serif;">www.bcbl.eu</span><br><br><span style="font-family: arial,helvetica,sans-serif;" data-mce-style="font-family: arial,helvetica,sans-serif;">Legal disclaimer/Aviso legal/Lege-oharra: www.bcbl.eu/legal-disclaimer</span></div></div><br>_______________________________________________<br>Pkg-ExpPsy-PyMVPA mailing list<br>Pkg-ExpPsy-PyMVPA@lists.alioth.debian.org<br>http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-exppsy-pymvpa</div></div><br></div></div></body></html>