<div dir="ltr"><div><span dir="ltr">Hello,<br><br></span></div><div><span dir="ltr">I a bit confused about result which I got from debiased wPLI, because it has the negative value inside the 'wpli_debiasedspctrm'. As I searched for that I found this strange explanation,<br>
</span></div><div><span dir="ltr"><br>"...We therefore estimated the squared wPLI by using the debiased wPLI estimator (Vinck et al., 2011), ranging from zero <b>(negative values can incidentally occur because of limited sampling)</b> to one (maximum coherence)......."<br>
<br>Beta coherence within human ventromedial prefrontal cortex precedes affective<br>value choices, N. Lipsman </span><span dir="ltr"><span dir="ltr"> et al, </span>NeuroImage 85 (2014) 769–778.<br><br></span></div><div><span dir="ltr">Could someone explain me, what it means and what should I do with these negative values?<br>
<br></span></div><div><span dir="ltr">Best,<br></span></div><div><span dir="ltr">Ramin<br></span></div><div><span dir="ltr"><br><br></span></div></div>