GetJColNames: GetJColNames

In jmatrix: Read from/Write to Disk Matrices with any Data Type in a Binary Format

GetJColNames

Description

Returns a R StringVector with the column names of a matrix stored in the binary format of package jmatrix, if it has them stored.

Usage

GetJColNames(fname)

Arguments

fname

String with the file name that contains the binary data.

Value

A R StringVector with the column names, or the empty vector if the binaryfile has no column names as metadata.

Examples

Rf <- matrix(runif(48),nrow=6)
rownames(Rf) <- c("A","B","C","D","E","F")
colnames(Rf) <- c("a","b","c","d","e","f","g","h")
tmpfile1=paste0(tempdir(),"/Rfullfloat.bin")
JWriteBin(Rf,tmpfile1,dtype="float",dmtype="full",comment="Full matrix of floats")
cn<-GetJColNames(tmpfile1)
cn

jmatrix documentation built on Oct. 9, 2023, 1:06 a.m.