zoo (version 0.1-1)

zoo: Z's Ordered Observations

Description

zoo is the creator for an S3 class of indexed totally ordered observations which includes irregular time series.

Usage

zoo(x, order.by)

Arguments

x
a vector or matrix.
order.by
a vector by which the observations in x are ordered.

Value

  • A vector or matrix with an "index" attribute of the same dimension (NROW(x)) by which x is ordered.

Details

zoo is still under development, but it provides plot and time methods for "zoo" objects and can convert "ts" and "irts" objects with as.zoo.

See Also

plot.zoo, index

Examples

Run this code
x.date <- as.POSIXct(paste("2003-02-", c(1, 3, 7, 9, 14), sep = ""))
x <- zoo(rnorm(5), x.date)
plot(x)

time(x)

x[1:3]

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