afni_ci_test_data/AFNI_data6/ht03/@DesignSearch

#!/bin/tcsh
# search for most efficient event-related design

# TOGGLE the following 2 model parameters
set model       = GAM			# toggle btw GAM and TENT: pre-fixed or whatever fits?
set eff         = SUM      		# toggle btw SUM and MAX: summing the normalized std dev or minimax?

# experiment parameters
set ts          = 300			# length of timeseries
set stim        =   3			# number of input stimuli
set num_on      =  50			# time points per stimulus (between 0 and $ts/3)

# execution parameters
set iterations  = 100			# number of iterations
set seed        = 2483907		# initial random seed
set outdir      = Results		# move all output files to this directory
set TR          = 2        		# TR Length in seconds
set ignore      = 4        		# number of TRs ignored at the beginning of the run
set show        = 10       		# number of designs in a descendent order of efficiency

# directories to store intermediate files
set outdir      = ${outdir}_${model}_$eff
set LCfile      = $outdir/LC
if ("$model" == "TENT") set model = ${model}'(0,12,7)'


# ------------------------------------------------------------

# make sure $outdir exists

if ( ! -d $outdir ) then
    mkdir $outdir
    if ( $status ) then
	echo "failure, cannot create output directory, $outdir"
	exit
    endif
endif

# create empty LC file
echo -n "" > $LCfile

echo ""
echo -n "Running iteration: 000"

# ------------------------------------------------------------
# run the test many times

foreach iter (`count -digits 3 1 $iterations`)

	# make some other random seed

	@ seed = $seed + 1

	# create random order stim files

	RSFgen -nt ${ts}        \
	    -num_stimts ${stim} \
	    -nreps 1 ${num_on}  \
	    -nreps 2 ${num_on}  \
	    -nreps 3 ${num_on}  \
	    -seed ${seed}       \
	    -prefix RSFstim${iter}. >& /dev/null

   # convert stimulus coding into timing files

   make_stim_times.py -files RSFstim${iter}.1.1D RSFstim${iter}.2.1D RSFstim${iter}.3.1D 	\
   -prefix stim${iter} 										\
   -nt 300 											\
   -tr ${TR} 											\
   -nruns 1

	# now evaluate the stimulus timings

	3dDeconvolve					\
	    -nodata	${ts} $TR 			\
	    -nfirst $ignore				\
	    -nlast 299					\
	    -polort 2					\
	    -num_stimts ${stim}				\
	    -stim_times 1 "stim${iter}.01.1D" "$model"	\
	    -stim_label 1 "stimA"			\
	    -stim_times 2 "stim${iter}.02.1D" "$model"	\
	    -stim_label 2 "stimB"			\
	    -stim_times 3 "stim${iter}.03.1D" "$model"	\
	    -stim_label 3 "stimC"			\
	    -gltsym "SYM: stimA -stimB" 		\
	    -gltsym "SYM: stimA -stimC" 		\
	    -gltsym "SYM: stimB -stimC" 		\
		>& Eff${iter}

	set nums = ( `awk -F= '/LC/ {print $2}' Eff${iter}` )
	
	if ("$eff" == "SUM") then

	# save the sum of the 3 normalized std dev
	set num_sum = `ccalc -eval "$nums[1] + $nums[2] + $nums[3]"`
	
	echo -n "$num_sum = $nums[1] + $nums[2] + $nums[3] : " >> $LCfile
        echo    "iteration $iter, seed $seed"          >> $LCfile

	endif	  
	
	if ("$eff" == "MAX") then

	# get the max of the 3 normalized std dev
   	set imax = `ccalc -form int -eval "argmax($nums[1],$nums[2],$nums[3])"`
   	set max = $nums[$imax]
			
	echo -n "$max = max($nums[1], $nums[2], $nums[3]) " >> $LCfile
        echo    "iteration $iter, seed $seed"                  >> $LCfile

	endif	 


	mv RSFstim*.1D stim*.1D Eff* nodata*.x1D $outdir

	echo -n "...$iter"
end

echo ""
echo "Done, results are in '$outdir', LC sums are in '$LCfile'"
echo ""
echo "The most 10 efficient designs are (in descending order):"
echo ""
sort $LCfile | head -$show
echo ""