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<DIV>Hi all, I have some questions regarding confidence intervals for
timelocked data in FieldTrip. I noted that a field .var is returned by
timelockanalysis</DIV>
<DIV> </DIV>
<DIV>line 510 timelockanalysis<BR>% compute the variance<BR>tmp1 =
repmat(dofvec(:)', [nchan 1]);<BR>tmp2 = repmat(dofvec(:)', [nchan 1])-1;<BR>var
= (ss - (s.^2)./tmp1) ./ tmp2;</DIV>
<DIV> </DIV>
<DIV>Assuming that the sampling distribution is normal I can presumably use this
field for computation of confidence intervals of the .avg field? <BR>Is
nonparametric estimation of variance using a bootstrap or jackknife also
implemented somewhere? In general I'm just curious to know how others compute
confidence intervals for evoked potentials in FieldTrip, for example to get an
idea at what point in time two conditions start to differ, </DIV>
<DIV> </DIV>
<DIV>best regards, Jasper</DIV>
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