[R] modeling a haemodynamic response function in R

2012-01-09 Thread Martin Batholdy 
Hi,


I have time-series data and I would like to fit a 2-gamma HRF to the data
(http://en.wikibooks.org/wiki/SPM/Haemodynamic_Response_Function)
in order to get the explained variance and the maximum of the fitted data.

Is there a straightforward function for that or a package that provides 
functions for this kind of procedure?


thanks!
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Re: [R] modeling a haemodynamic response function in R

2012-01-09 Thread David Winsemius 


On Jan 9, 2012, at 7:55 AM, Martin Batholdy wrote:


Hi,


I have time-series data and I would like to fit a 2-gamma HRF to the  
data

(http://en.wikibooks.org/wiki/SPM/Haemodynamic_Response_Function)
in order to get the explained variance and the maximum of the fitted  
data.


Is there a straightforward function for that or a package that  
provides functions for this kind of procedure?


LMRTFY (Let me RSeek that for you)

http://www.rseek.org/?cx=010923144343702598753%3Aboaz1reyxd4q=haemodynamic+response+function+cof=FORID%3A11


--
David Winsemius, MD
West Hartford, CT

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and provide commented, minimal, self-contained, reproducible code.