sorry I put the wrong brik info in that last post. I'm pretty sure that I use brik#4 for the R^2 just don't know which one is the beta co-effecient.

here's the brik info:
Number of values stored at each pixel = 6
-- At sub-brick #0 'Full_R^2' datum type is short: 0 to 32767 [internal]
[* 2.58616e-05] 0 to 0.847408 [scaled]
statcode = fibt; statpar = 0.5 219
-- At sub-brick #1 'Full_Fstat' datum type is short: 0 to 32767 [internal]
[* 0.0305185] 0 to 1000 [scaled]
statcode = fift; statpar = 1 438
-- At sub-brick #2 'CorrCoef#0_Coef' datum type is short: -32767 to 26961 [internal]
[* 0.000148803] -4.87584 to 4.01189 [scaled]
-- At sub-brick #3 'CorrCoef#0_Tstat' datum type is short: -17255 to 32767 [internal]
[* 0.00150515] -25.9714 to 49.3193 [scaled]
statcode = fitt; statpar = 438
-- At sub-brick #4 'CorrCoef_R^2' datum type is short: 0 to 32767 [internal]
[* 2.58616e-05] 0 to 0.847408 [scaled]
statcode = fibt; statpar = 0.5 219
-- At sub-brick #5 'CorrCoef_Fstat' datum type is short: 0 to 32767 [internal]
[* 0.0305185] 0 to 1000 [scaled]
statcode = fift; statpar = 1 438

many thanks,
Lesley