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DatABEL (version 0.1-6)

file-based access to large matrices stored on HDD in binary format

Description

a package providing interface to C++ FILEVECTOR library facilitating analysis of large (giga- to tera-bytes) matrices; matrix storage is organized in a way that either columns or rows are quickly accessible; primarily aimed to support genome-wide association analyzes e.g. using GenABEL and ProbABEL

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Version

Install

install.packages('DatABEL')

Monthly Downloads

36

Version

0.1-6

License

GPL (>= 2)

Maintainer

Yurii Aulchenko

Last Published

June 22nd, 2010

Functions in DatABEL (0.1-6)

make_empty_fvf

makes empty filevector object...
databel

initiates databel object...
apply2dfo

applies a function to 'databel' object...
databel-class

Class "databel"
matrix2databel

converts matrix to 'databel'...
text2filevector

converts text file to filevector format...
get_temporary_file_name

generates temporary file name...
process_lm_output

'apply2dfo'-associated functions...
DatABEL-package

DatABEL package for fast consecutive access to large out-of-RAM stored matrices...
DatABEL-internal

Internal DatABEL objects
extract_text_file_columns

extract_text_file_columns