split_hipp_4regions.Rout

R version 4.1.2 (2021-11-01) -- "Bird Hippie"
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> library(RNifti)
> 
> l_hipp <- readNifti("high_res_originals/long_axis_l_1.0mm.nii.gz")
> l_hipp_split <- l_hipp
> 
> # the cut generates a factor, but when merged back as a numeric, we get
> # (posterior) 1 = 0 -- 0.25; 2 = .25-.5; 3 = .5-.75; 4 = .75-1 (anterior)
> l_hipp_split[l_hipp_split > 0] <- cut(l_hipp_split[l_hipp_split > 0], breaks=c(0,.25,.5,.75,1))
> writeNifti(l_hipp_split, file = "long_axis_l_split_1.0mm.nii.gz")
> 
> r_hipp <- readNifti("high_res_originals/long_axis_r_1.0mm.nii.gz")
> r_hipp_split <- r_hipp
> r_hipp_split[r_hipp_split > 0] <- cut(r_hipp_split[r_hipp_split > 0], breaks=c(0,.25,.5,.75,1))
> writeNifti(r_hipp_split, file = "long_axis_r_split_1.0mm.nii.gz")
> 
> proc.time()
   user  system elapsed 
  2.343   0.294   2.688