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as.data.frame method #44

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PeteHaitch opened this issue Mar 23, 2018 · 0 comments
Open

as.data.frame method #44

PeteHaitch opened this issue Mar 23, 2018 · 0 comments
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PeteHaitch commented Mar 23, 2018 •
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NOTE: This is out-of-scope but I need somewhere to put this reminder

There are times when it's necessary to as.data.frame(HDF5Matrix). This goes via as.array(HDF5Matrix), necessitating 2 conversions (HDF5Matrix -> array -> data.frame) and associated memory allocations. A more efficient implementation would fill the data.frame directly form the HDF5 file.
@PeteHaitch PeteHaitch self-assigned this Mar 23, 2018
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