Running examples in ‘ieegio-Ex.R’ failed
The error most likely occurred in:

> ### Name: imaging-volume
> ### Title: Read and write volume data
> ### Aliases: imaging-volume read_volume write_volume io_read_mgz
> ###   io_write_mgz io_write_mgz.ieegio_volume io_write_mgz.ieegio_mgh
> ###   io_write_mgz.nifti io_write_mgz.niftiImage
> ###   io_write_mgz.ants.core.ants_image.ANTsImage io_write_mgz.array
> ###   io_read_nii io_write_nii io_write_nii.ieegio_nifti
> ###   io_write_nii.ants.core.ants_image.ANTsImage io_write_nii.niftiImage
> ###   io_write_nii.nifti io_write_nii.ieegio_mgh io_write_nii.array
> 
> ### ** Examples
> 
> 
> 
> library(ieegio)
> 
> nifti_file <- "brain.demosubject.nii.gz"
> 
> # Use `ieegio_sample_data(nifti_file)`
> #   to download sample data
> 
> 
> if( ieegio_sample_data(nifti_file, test = TRUE) ) {
+ 
+ # ---- NIfTI examples ---------------------------------------------
+ 
+ file <- ieegio_sample_data(nifti_file)
+ 
+ # basic read
+ vol <- read_volume(file)
+ 
+ # voxel to scanner RAS
+ vol$transforms$vox2ras
+ 
+ # to freesurfer surface
+ vol$transforms$vox2ras_tkr
+ 
+ # to FSL
+ vol$transforms$vox2fsl
+ 
+ image(vol$data[,,128], asp = 1, axes = FALSE)
+ 
+ # ---- using other methods --------------------------------------
+ # default
+ vol <- read_volume(file, method = "oro", format = "nifti")
+ vol$header
+ 
+ # lazy-load nifti
+ vol2 <- read_volume(file, method = "rnifti", format = "nifti")
+ vol2$header
+ 
+ # Using ANTsPyx
+ vol3 <- read_volume(file, method = "ants", format = "nifti")
+ vol3$header
+ 
+ # ---- write --------------------------------------------------------
+ 
+ # write as NIfTI
+ f <- tempfile(fileext = ".nii.gz")
+ 
+ write_volume(vol, f, format = "nifti")
+ 
+ # alternative method
+ write_volume(vol$header, f, format = "nifti")
+ 
+ # write to mgz/mgh
+ f2 <- tempfile(fileext = ".mgz")
+ 
+ write_volume(vol, f, format = "mgh")
+ 
+ # clean up
+ unlink(f)
+ unlink(f2)
+ 
+ }
<simpleWarning in check_forbidden_install("Miniconda"): cannot install Miniconda during R CMD check>
Warning in check_forbidden_install("Conda Environments") :
  cannot install Conda Environments during R CMD check
Error: Unable to find conda binary. Is Anaconda installed?
Execution halted