[Homer-users] [Homer-Users] Error message after downsampling

[鄭百芸]

Hi,
The attached file is the raw data. And the picture is the error message.

 I want to change the sampling rate from 12.5 to 10.42 Hz. 
 

The processed functions I use are: 

          i.             hmrIntensity2OD

        ii.             hmrBandpassFilt

      iii.             hmrMotionCorrectPCA

      iv.             hmrMotionArtifactByChannel

        v.             hmrMotionCorrectSpline

      vi.             hmrOD2Conc

     vii.             hmrBlockAvg

Thank you!

On Thu, 12 Oct 2017 21:16:09 +0000, Yucel, Meryem A. wrote
> Hi Amanda, 
>    
> Please send me a sample nirs file for me to reproduce the error you get. 
>    
> Meryem 
>    
> 
> From: homer-users-bounces at nmr.mgh.harvard.edu [mailto:homer-users-bounces at nmr.mgh.harvard.edu] On Behalf Of ???
> Sent: Thursday, October 12, 2017 11:09 AM
> To: homer-users at nmr.mgh.harvard.edu
> Subject: [Homer-users] [Homer-Users] Error message after downsampling 
>    
> Hi ,  
> 
> I used the "Downsample NIRS file" in the tool menu and decreased the sampling rate of a sequence by 2.08 (Change the sampling rate from 12.5Hz to 10.42Hz).  
> 
> Everything was okay during the data processing, an "Error message" appeared when I opened the post-processed nirs files by Homer UI. 
> 
> The error message is " Error:  invalid stim matrix(s)".  
> 
> I wonder how to fix this problem.   
> 
>    
> 
> And I can't find any difference after downsample the nirs  file, please tell me how to downsample the data correctly. 
> 
> Thank you! 
> 
> Amanda

 
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