R: Utilities for big.matrix objects of package bigmemory

biganalytics-package {biganalytics} | R Documentation

## Utilities for big.matrix objects of package bigmemory

### Description

Extend the bigmemory package with various analytics. In addition to the more obvious summary statistics (see `colmean`, etc...), biganalytics offers `biglm.big.matrix`, `bigglm.big.matrix`, `bigkmeans`, `binit`, and `apply` for `big.matrix` objects. Some of the functions may be used with native R objects, as well, providing gains in speed and memory-efficiency.

### Author(s)

Michael J. Kane and John W. Emerson.

Maintainers Michael J. Kane <bigmemoryauthors@gmail.com>

### References

http://www.bigmemory.org

### Examples

    library(bigmemory)

    x <- big.matrix(5, 2, type="integer", init=0,
                    dimnames=list(NULL, c("alpha", "beta")))
    x
    x[,]
    x[,1] <- 1:5
    x[,]
    mean(x)
    colmean(x)
    summary(x)
    apply(x, 1, mean)

[Package biganalytics version 1.1.14 Index]