Basic Summary Statistics

Description

Get basic summary statistics.

Usage

## S4 method for signature 'ddmatrix'
sum(x, ..., na.rm = FALSE)

## S4 method for signature 'ddmatrix'
mean(x, na.rm = FALSE)

## S4 method for signature 'ddmatrix'
prod(x, na.rm = FALSE)

## S4 method for signature 'ddmatrix'
min(x, na.rm = FALSE)

## S4 method for signature 'ddmatrix'
max(x, na.rm = FALSE)

## S4 method for signature 'ddmatrix'
median(x, na.rm = FALSE)

Arguments

Details

The return is on process 0 only.

Value

A single value, owned by all ranks in the MPI communicator.

Examples

## Not run: 
# Save code in a file "demo.r" and run with 2 processors by
# > mpiexec -np 2 Rscript demo.r

library(pbdDMAT, quiet = TRUE)
init.grid()

# don't do this in production code
x <- matrix(1:16, ncol=4)
dx <- as.ddmatrix(x) 

summary(dx)

finalize()

## End(Not run)