[Eeglablist] pop_eegfiltnew() error

Andreas Widmann widmann at uni-leipzig.de
Thu Feb 26 00:50:31 PST 2015


Hi,

the error message suggests that you have a script named freqz.m in your path (at /eeglab/freqz.m; overloading MATLAB Signal Processing toolbox freqz function). pop_eegfiltnew requires the MATLAB freqz function (for displaying the frequency response only).

Rename the freqz.m script in your path or disable frequency response plotting in the GUI.

Hope this helps! Best,
Andreas

> Am 24.02.2015 um 06:06 schrieb 井澤考史 <ko.izawa at gmail.com>:
> 
> Dear EEGLAB team,
> 
> Thank you for your providing amazing tool. I am a beginner researcher of EEG.
> I tried to filtering function of EEGLAB, but the following message came up.
> 
> Could you provide your any suggestion, if you have any idea to solve the problem.
> 
> ------ message ------
> EEGLAB error in function pop_eegfiltnew() at line 218:
> 
> Attempt to execute SCRIPT freqz as a function:
> /eeglab/freqz.m
> ------ message ------
> 
> ------ command window ---------
> EDU>> eeglab
> eeglab: options file is ~/eeg_options.m
> EEGLAB: adding "Fileio" to the path; subfolders (if any) might be missing from the path
> EEGLAB: adding "dipfit" v2.3 (see >> help eegplugin_dipfit)
> EEGLAB: adding "firfilt" v1.6.1 (see >> help eegplugin_firfilt)
> You are using the latest version of EEGLAB.
> pop_loadset(): loading file /Users/koji/Documents/MATLAB/eeglab_data.set ...
> Creating a new ALLEEG dataset 1
> Done.
> pop_eegfiltnew() - performing 425 point highpass filtering.
> pop_eegfiltnew() - transition band width: 1 Hz
> pop_eegfiltnew() - passband edge(s): 1 Hz
> pop_eegfiltnew() - cutoff frequency(ies) (-6 dB): 0.5 Hz
> ------ command window ---------
> 
> 
> My operation is following only 3 steps.
> 1. File -> Load existing dataset
> 2. Tools -> Filter the data -> Basic FIR Filter
> 3. Enter 1 in the Lower edge box and push OK.
> 
> My environment is below.
> EEGLAB : v13.4.4b with Signal Processing toolbox
> Matlab : Student version R2014a
> EEG data : eeglab_data.set (4MB provided in the EEGLAB site)
> 
> Best Regard
> Koji
> 
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