[Eeglablist] 0.01 high pass filter

[HanGue Jo]

Dear members,

My question is that how can I filter the EEG data at 0.01 cutoff frequency.
I have about 42,000 data potins (1000 sampling rate for about 7 minutes).
When I use 'basic FIR filter' menu with checking the 'plot the filter
frequency response',
(filter order was either 5000, 10000, or 100000 points) the cut-off curve
occurs approximatley at 1 Hz in all cases.
It's there any methods for 0.01 high pass filter?

Best,
HanGue.
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