Calls dtifit from FSL
dtifit(infile, bvecs, bvals, mask = NULL, outprefix = NULL,
opts = "", bet.opts = "", verbose = TRUE, sse = FALSE,
save_tensor = FALSE, grad_image = NULL)Input filename
b-vectors: matrix of 3 columns or filename of ASCII text file
b-values: vector of same length as number of rows of b-vectors or filename of ASCII text file
Mask filename
Output prefix
Additional options for dtifit
Options for fslbet if mask is not supplied
print diagnostic messages
Save sum of squared errors
Save tensor file out
Gradient Nonlinearity Tensor file
Vector of character filenames of output. See Note