It won't be so simple. If you can represent your filter as a matrix, then you can set the flac.TFmtx, but you'll need to do this in multiple places. You can do a search for TFmtx in the matlab code to see where
On 06/15/2012 03:23 PM, Caspar M. Schwiedrzik wrote: > if i come up with the code for the newey white standard error, where > in selxavg3-sess would i need to plug that in? > caspar > > > 2012/6/15 Douglas N Greve <gr...@nmr.mgh.harvard.edu > <mailto:gr...@nmr.mgh.harvard.edu>> > > I don't know anything about it. Looks interesting. > doug > > > On 06/15/2012 02:14 PM, Caspar M. Schwiedrzik wrote: > > Hi Doug, > if I filter, an alternative might be the Newey-West estimator > (http://en.wikipedia.org/wiki/ Newey-West_estimator > <http://en.wikipedia.org/wiki/Newey-West_estimator>), I guess? > Caspar > > > 2012/6/15 Douglas N Greve <gr...@nmr.mgh.harvard.edu > <mailto:gr...@nmr.mgh.harvard.edu> > <mailto:gr...@nmr.mgh.harvard. edu > <mailto:gr...@nmr.mgh.harvard.edu>>> > > > Hi Caspar, it does not make sense to low pass filter and > prewhiten. > Unfortunately, I don't have the precoloring implemented in > FSFAST. > doug > > On 06/15/2012 01:36 PM, Caspar M. Schwiedrzik wrote: > > Hi! > > I am processing a resting state data set, which I would like > to low > > pass filter to get rid of some artifacts. The sample will be > very > > small, so I won't run a RFX GLM, but an FFX GLM and/or single > subject > > analyses. > > Since the low pass filter introduces high autocorrelations, > it does > > not make sense to whiten the data before the GLM. > > However, in order not to violate the assumptions of the OLS, > I would > > like to use the precoloring approach described in Worsley & > Friston > > 1995. Is that by any chance implemented in FSFAST, and if > not, where > > would be the right place to add it? > > Thanks in advance, > > Caspar > > > > > > ______________________________ _________________ > > Freesurfer mailing list > > Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:freesur...@nmr.mgh. harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > > https://mail.nmr.mgh.harvard. edu/mailman/listinfo/ > freesurfer > <https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer> > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu> > <mailto:gr...@nmr.mgh.harvard. edu > <mailto:gr...@nmr.mgh.harvard.edu>> > Phone Number: 617-724-2358 <tel:617-724-2358> > <tel:617-724-2358 <tel:617-724-2358>> > Fax: 617-726-7422 <tel:617-726-7422> <tel:617-726-7422 > <tel:617-726-7422>> > > Bugs: surfer.nmr.mgh.harvard.edu/ fswiki/BugReporting > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > <http://surfer.nmr.mgh. harvard.edu/fswiki/ BugReporting > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting>> > FileDrop: www.nmr.mgh.harvard.edu/ > facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > <http://www.nmr.mgh.harvard. edu/facility/filedrop/index. html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html>> > > ______________________________ _________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu> > <mailto:freesur...@nmr.mgh. harvard.edu > <mailto:Freesurfer@nmr.mgh.harvard.edu>> > > https://mail.nmr.mgh.harvard. edu/mailman/listinfo/ freesurfer > <https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer> > > > The information in this e-mail is intended only for the > person to > whom it is > addressed. If you believe this e-mail was sent to you in > error and > the e-mail > contains patient information, please contact the Partners > Compliance HelpLine at > http://www.partners.org/ complianceline > <http://www.partners.org/complianceline> . If the e-mail was > sent to > you in error > but does not contain patient information, please contact the > sender and properly > dispose of the e-mail. > > > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu> > Phone Number: 617-724-2358 <tel:617-724-2358> > Fax: 617-726-7422 <tel:617-726-7422> > > Bugs: surfer.nmr.mgh.harvard.edu/ fswiki/BugReporting > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > FileDrop: www.nmr.mgh.harvard.edu/ facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
