tr

PURPOSE

method returns TR in seconds, or empty if not available

SYNOPSIS

function t = tr(o)

DESCRIPTION

 method returns TR in seconds, or empty if not available
 
 $Id$

CROSS-REFERENCE INFORMATION

This function calls:

des_struct get/set method for des_struct field
mars_struct multifunction function for manipulating structures

This function is called by:

event_fitted_fir method to compute fitted event time courses using FIR
ui_ft_design_data method plots FT of design and data to graphics window
event_onsets method gets onsets and durations for event/session
event_x_fir method to return FIR design matrix columns for session
event_onsets method gets (estimated) onsets and durations for event/session
event_x_fir method to return FIR design matrix columns for session
mars_spm_graph Graphical display of adjusted data
get_marsy gets data in ROIs from images
marsbar Startup, callback and utility routine for Marsbar

SOURCE CODE

0001 function t = tr(o)
0002 % method returns TR in seconds, or empty if not available
0003 %
0004 % $Id$
0005   
0006 t = [];
0007 SPM = des_struct(o);
0008 if mars_struct('isthere', SPM, 'xY', 'RT')
0009   t = SPM.xY.RT;
0010 end