Man pages for BigDataStatMeth
Title: Scalable Statistical Computing with HDF5-Backed Matrices

apply_functionApply a statistical or algebraic function to HDF5 datasets...
as.data.frame.HDF5MatrixConvert HDF5Matrix to data.frame
as.matrix.HDF5MatrixConvert HDF5Matrix to in-memory matrix
bdapply_Function_hdf5Apply function to different datasets inside a group
bdblockMultBlock-Based Matrix Multiplication
bdblockSubstractBlock-Based Matrix Subtraction
bdblockSumBlock-Based Matrix Addition
bdCorr_matrixCompute correlation matrix for in-memory matrices (unified...
bdCreate_hdf5_groupCreate Group in an HDF5 File
bdCreate_hdf5_matrixCreate HDF5 data file and write data to it
bdCrossprodEfficient Matrix Cross-Product Computation
bdgetDatasetsList_hdf5List Datasets in HDF5 Group
bdImportData_hdf5Import data from URL or file to HDF5 format
bdImportTextFile_hdf5Import Text File to HDF5
bdmove_hdf5_datasetMove HDF5 Dataset
bdpseudoinvCompute Matrix Pseudoinverse (In-Memory)
bdpseudoinv_hdf5Compute Matrix Pseudoinverse (HDF5-Stored)
bdReduce_hdf5_datasetReduce Multiple HDF5 Datasets
bdScalarwproductMatrix–scalar weighted product
bdtCrossprodEfficient Matrix Transposed Cross-Product Computation
bd_wproductWeighted matrix–vector products and cross-products
bdWrite_hdf5_dimnamesWrite dimnames to an HDF5 dataset
BigDataStatMethBigDataStatMeth: Scalable statistical computing with R, C++,...
can_allocateCheck if memory allocation is safe
cancerCancer classification
cbind.HDF5MatrixColumn-bind HDF5Matrix objects
chol.HDF5MatrixCholesky decomposition of a symmetric positive-definite...
close.HDF5MatrixClose HDF5Matrix
colesterolDataset colesterol
colMaxsColumn and row maximums for HDF5Matrix
colMeansColumn and row means for HDF5Matrix
colMinsColumn and row minimums for HDF5Matrix
colSdsColumn and row standard deviations for HDF5Matrix
colSumsColumn and row sums for HDF5Matrix
colVarsColumn and row variances for HDF5Matrix
corCorrelation (generic)
cor.HDF5MatrixCorrelation matrix for HDF5Matrix objects
crossprod.HDF5MatrixCross product of HDF5Matrix objects
diagExtract or construct a diagonal for HDF5Matrix
diag_opDiagonal-vector operation on an HDF5Matrix
diag-replaceSet diagonal of an HDF5Matrix (generic)
diag_scaleScalar diagonal operation on an HDF5Matrix
dim.HDF5MatrixDimensions of an HDF5Matrix
dimnames.HDF5MatrixGet dimension names of an HDF5Matrix
dimnames-set-.HDF5MatrixSet dimension names on an HDF5Matrix
dot-get_optionGet global option value with fallback
dot-hdf5matrix_optionsHDF5Matrix Global Options
dot-onUnloadPackage hook: cleanup on unload
eigenSpectral decomposition
filter_low_coverageRemove high-missingness features from an HDF5Matrix
filter_mafRemove SNPs by Minor Allele Frequency from an HDF5Matrix
get_available_ramGet available (free) system RAM
get_cpu_coresGet number of CPU cores
get_memory_thresholdsGet dynamic memory thresholds based on system RAM
get_recommended_threadsGet recommended number of threads for parallel operations
get_total_ramGet total system RAM
hdf5_applyApply a mathematical operation to multiple HDF5 datasets
hdf5_close_allClose all HDF5Matrix objects
hdf5_close_fileClose all HDF5 handles for a specific file
hdf5_create_matrixCreate an HDF5 dataset and return an HDF5Matrix object
hdf5_importImport data from file or URL into HDF5 format
hdf5_import_multipleImport multiple files into HDF5
hdf5_matrixOpen an HDF5 dataset as an HDF5Matrix object
hdf5matrix_optionsSet or get HDF5Matrix computation options
HDF5Matrix-S3S3 methods for HDF5Matrix
HDF5Matrix-scalar-aggregationsSummary statistics for HDF5Matrix
hdf5_reduceReduce all datasets in an HDF5 group by a binary operation
impute_snpsImpute missing SNP values in an HDF5Matrix
is_openCheck if HDF5Matrix is open
length.HDF5MatrixLength of an HDF5Matrix
list_datasetsList datasets in an HDF5 file or group
matmulMatrix multiplication for HDF5Matrix
memory_infoPrint system memory information
miRNAmiRNA
multiply_sparseSparse-aware matrix multiplication (generic)
multiply_sparse.HDF5MatrixSparse-aware matrix multiplication for HDF5Matrix
object_sizeGet memory size of HDF5Matrix without loading
Ops.HDF5MatrixElementwise arithmetic operators for HDF5Matrix objects
prcomp.HDF5MatrixPrincipal Component Analysis of an HDF5Matrix
print.HDF5MatrixPrint an HDF5Matrix object
print.HDF5PCAPrint method for HDF5PCA objects
pseudoinverseMoore-Penrose pseudoinverse
qrQR decomposition of an HDF5Matrix
qr.HDF5MatrixQR decomposition of an HDF5Matrix
rbind.HDF5MatrixRow-bind HDF5Matrix objects
rcpp_hdf5_close_all_file_handlesClose all open HDF5 file handles mid-session (safe)
rcpp_hdf5_close_all_registryClose all open HDF5Dataset objects and HDF5 handles
rcpp_hdf5_close_at_pathsClose all live HDF5Matrix handles pointing to specific...
rcpp_hdf5_close_file_handlesClose all HDF5 handles for a specific file (R6 wrapper)
rcpp_hdf5_close_file_handles_safeSafely close all remaining HDF5 file handles (mid-session...
rcpp_hdf5_create_matrixCreate an HDF5 dataset with configurable compression (R6...
rcpp_hdf5dataset_addElement-wise addition of two HDF5 datasets (R6 wrapper)
rcpp_hdf5dataset_closeClose and destroy an HDF5 dataset handle immediately.
rcpp_hdf5dataset_colMaxsColumn maximums of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_colMeansColumn means of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_colMinsColumn minimums of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_colSdsColumn standard deviations of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_colSumsColumn sums of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_colVarsColumn variances of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_crossprodCross product for HDF5 datasets (R6 wrapper)
rcpp_hdf5dataset_dimGet dimensions of HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_div_ewElement-wise division of two HDF5 datasets (R6 wrapper)
rcpp_hdf5dataset_infoGet dataset information (R6 wrapper)
rcpp_hdf5dataset_is_validCheck if dataset is valid and open (R6 wrapper)
rcpp_hdf5dataset_mul_ewElement-wise multiplication of two HDF5 datasets (R6 wrapper)
rcpp_hdf5dataset_multiplyGeneral matrix product for HDF5 datasets (R6 wrapper)
rcpp_hdf5dataset_openOpen HDF5 dataset and return external pointer (R6 wrapper)
rcpp_hdf5dataset_read_allGet full dataset as matrix (convenience function)
rcpp_hdf5dataset_read_dimnamesRead dimension names (rownames / colnames) from an HDF5...
rcpp_hdf5dataset_rowMaxsRow maximums of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_rowMeansRow means of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_rowMinsRow minimums of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_rowSdsRow standard deviations of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_rowSumsRow sums of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_rowVarsRow variances of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_scalar_maxMaximum of all elements of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_scalar_meanMean of all elements of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_scalar_minMinimum of all elements of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_scalar_sdStandard deviation of all elements of an HDF5 dataset (R6...
rcpp_hdf5dataset_scalar_sumSum of all elements of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_scalar_varVariance of all elements of an HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_subsetRead block from HDF5 dataset (subsetting)
rcpp_hdf5dataset_subtractElement-wise subtraction of two HDF5 datasets (R6 wrapper)
rcpp_hdf5dataset_tcrossprodTransposed cross product for HDF5 datasets (R6 wrapper)
rcpp_hdf5dataset_write_allWrite entire dataset (R6 wrapper)
rcpp_hdf5dataset_write_blockWrite data block to HDF5 dataset (R6 wrapper)
rcpp_hdf5dataset_write_dimnamesWrite dimension names through the R6 dataset handle
reduceReduce a group of HDF5 datasets by accumulation (generic)
scaleScale / normalize an HDF5Matrix
sd.HDF5MatrixStandard deviation of all elements of an HDF5Matrix
show_hdf5matrix_optionsShow current HDF5Matrix performance settings
solve.HDF5MatrixMatrix inverse of a symmetric positive-definite HDF5Matrix...
split_datasetSplit an HDF5Matrix into multiple block datasets
split.HDF5MatrixSplit an HDF5Matrix into a list of blocks
str.HDF5MatrixStructure of an HDF5Matrix object
sub-.HDF5MatrixSubset an HDF5Matrix
subset-.HDF5MatrixSubsetting assignment for HDF5Matrix objects
svdSingular Value Decomposition (generic)
svd.HDF5MatrixSingular Value Decomposition of an HDF5Matrix
sweepSweep out array summaries (generic)
sweep.HDF5MatrixBroadcast a vector over an HDF5Matrix (sweep)
system_infoGet system information summary
tcrossprod.HDF5MatrixTransposed cross product of HDF5Matrix objects
var.HDF5MatrixVariance of all elements of an HDF5Matrix
BigDataStatMeth documentation built on May 15, 2026, 1:07 a.m.