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Hello Freesurfer Experts,
May I ask if there is a whitening/weighting matrix used to give weighted least squares estimates (WLS) and whiten the data during the 1st-level model estimation in FSFAST? If so, how could I get it?
Many thanks and kind regards,
Lizhi
Whitening is done by default (you can turn it off with -nowhiten to mkanalysis-sess). It uses an AR1 model.
On 3/4/19 12:46 PM, Zhi Li wrote:
External Email - Use Caution
Hello Freesurfer Experts,
May I ask if there is a whitening/weighting matrix used to give weighted least squares estimates (WLS) and whiten the data during the 1st-level model estimation in FSFAST? If so, how could I get it?
Many thanks and kind regards,
Lizhi
Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
External Email - Use Caution
Thank you very much. I would like to whiten the data. May I know the details of the whitening process used in FSFAST? If I could get the whitening matrix (maybe from the source codes)?
Best regards,
Lizhi
On Wed, 6 Mar 2019 at 11:54, Greve, Douglas N.,Ph.D. DGREVE@mgh.harvard.edu wrote:
Whitening is done by default (you can turn it off with -nowhiten to mkanalysis-sess). It uses an AR1 model.
On 3/4/19 12:46 PM, Zhi Li wrote:
External Email - Use CautionHello Freesurfer Experts,
May I ask if there is a whitening/weighting matrix used to give weighted least squares estimates (WLS) and whiten the data during the 1st-level model estimation in FSFAST? If so, how could I get it?
Many thanks and kind regards,
Lizhi
Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
freesurfer@nmr.mgh.harvard.edu
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Greve, Douglas N.,Ph.D. -
Zhi Li