![]() ![]() The availability of software to support these formats is somewhat limited by platform, especially on Windows.ĭBase was a DOS program written by Ashton-Tate and later owned by Borland which has a binary flat-file format that became popular, with file extension. This is handled by package ncdf4 whereas RNetCDF handles version 3 files. ![]() NetCDF’s version 4 format (confusingly, implemented in netCDF 4.1.1 and later, but not in 4.0.1) includes the use of various HDF5 formats. HDF5 also allows groups of arrays, and the R interface maps lists to HDF5 groups, and can write numeric and character vectors and matrices. Packages h5, Bioconductor’s rhdf5, RNetCDF and ncdf4 on CRAN provide interfaces to NASA’s HDF5 (Hierarchical Data Format, see ) and to UCAR’s netCDF data files (network Common Data Form, see ).īoth of these are systems to store scientific data in array-oriented ways, including descriptions, labels, formats, units, …. Binary connections ( Connections) are now the preferred way to handle binary files.
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