ffbase (version 0.13.3)

mean.ff: Mean of ff vector

Description

Mean of ff vector

Usage

# S3 method for ff
mean(x, trim = 0, ..., range = NULL)

Arguments

x

a ff vector

trim

percentage of robustness, between 0 and 1

...

other arguments passed to mean

range

a ri or an integer vector of length==2 giving a range restriction for chunked processing

Value

mean value

Examples

# NOT RUN {
# create a vector of length 10 million
x <- ff(vmode="double", length=1e7)

mean(x)
# }