matprint: Print beginning and end of big matrix

In ff: Memory-Efficient Storage of Large Data on Disk and Fast Access Functions

Print beginning and end of big matrix

Description

Print beginning and end of big matrix

Usage

matprint(x, maxdim = c(16, 16), digits = getOption("digits"))
## S3 method for class 'matprint'
print(x, quote = FALSE, right = TRUE, ...)

Arguments

x	a matrix
maxdim	max number of rows and columns for printing
digits	see format
quote	see print
right	see print
...	see print

Value

a list of class 'matprint' with components

subscript	a list with four vectors of subscripts: row begin, column begin, row end, column end
example	the extracted example matrix as.characer including seperators
rsep	logical scalar indicating whether row seperator is included
csep	logical scalar indicating whether column seperator is included

Author(s)

Jens Oehlschlägel

See Also

vecprint

Examples

  matprint(matrix(1:(300*400), 300, 400))

ff documentation built on Sept. 30, 2024, 9:38 a.m.