dcSparseMatrix: Function to create a sparse matrix for an input file with...

In hfang-bristol/dcGOR: Analysis of Ontologies and Protein Domain Annotations

Function to create a sparse matrix for an input file with three columns

Description

dcSparseMatrix is supposed to create a sparse matrix for an input file with three columns.

Usage

dcSparseMatrix(input.file, verbose = T)

Arguments

input.file	an input file containing three columns: 1st column for rows, 2nd for columns, and 3rd for numeric values. Alternatively, the input.file can be a matrix or data frame, assuming that input file has been read. Note: the file should use the tab delimiter as the field separator between columns
verbose	logical to indicate whether the messages will be displayed in the screen. By default, it sets to TRUE for display

Value

an object of the dgCMatrix class (a sparse matrix)

Note

None

See Also

dcAlgoPredictMain

Examples

# create a sparse matrix of 4 X 2
input.file <- rbind(c('R1','C1',1), c('R2','C1',1), c('R2','C2',1),
c('R3','C2',1), c('R4','C1',1))
res <- dcSparseMatrix(input.file)
res
# get a full matrix
as.matrix(res)

hfang-bristol/dcGOR documentation built on July 16, 2022, 6:43 p.m.