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Packages @CRANpkg{h5}, @I{Bioconductor}'s @pkg{rhdf5}, @CRANpkg{RNetCDF} and
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Packages @CRANpkg{h5}, @I{Bioconductor}'s @pkg{rhdf5}, @CRANpkg{RNetCDF} and
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@CRANpkg{ncdf4} on @acronym{CRAN} provide interfaces to @acronym{NASA}'s
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@CRANpkg{ncdf4} on @acronym{CRAN} provide interfaces to @acronym{NASA}'s
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@abbr{HDF5} (Hierarchical Data Format, see
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@abbr{HDF5} (Hierarchical Data Format, see
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@uref{https://www.hdfgroup.org/wp-content/uploads/2017/07/HDF5.pdf}) and to @I{UCAR}'s @I{netCDF} data files
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@uref{https://www.hdfgroup.org/wp-content/uploads/2017/07/HDF5.pdf}) and to @I{UCAR}'s @I{netCDF} data files
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(network Common Data Form, see
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(network Common Data Form, see
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@uref{https://www.unidata.ucar.edu/software/netcdf/}).
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@uref{https://www.unidata.ucar.edu/software/netcdf}).
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Both of these are systems to store scientific data in array-oriented
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Both of these are systems to store scientific data in array-oriented
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ways, including descriptions, labels, formats, units, @dots{}.  @abbr{HDF5} also
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ways, including descriptions, labels, formats, units, @dots{}.  @abbr{HDF5} also
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allows @emph{groups} of arrays, and the @R{} interface maps lists
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allows @emph{groups} of arrays, and the @R{} interface maps lists
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to @abbr{HDF5} groups, and can write numeric and character vectors and
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to @abbr{HDF5} groups, and can write numeric and character vectors and