This package provides a high-level R interface to CoreArray Genomic Data Structure (GDS) data files, which are portable across platforms and include hierarchical structure to store multiple scalable array-oriented data sets with metadata information. It is suited for large-scale datasets, especially for data which are much larger than the available random-access memory. The gdsfmt package offers the efficient operations specifically designed for integers with less than 8 bits, since a single genetic/genomic variant, like single-nucleotide polymorphism, usually occupies fewer bits than a byte. Data compression and decompression are also supported with relatively efficient random access. It is allowed to read a GDS file in parallel with multiple R processes supported by the parallel package.
|Author||Xiuwen Zheng [aut, cre], Jean-loup Gailly [ctb] (zlib library), Mark Adler [ctb] (zlib library), Yann Collet [ctb] (LZ4 library)|
|Date of publication||2014-12-25 11:33:28|
|Maintainer||Xiuwen Zheng <[email protected]>|
|Package repository||View on R-Forge|
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