Return the first or last part of time series data
Return the first of last parts of an object of time series data.
## S3 method for class 'ts' head(x, n = 5, ...) ## S3 method for class 'ts' tail(x, n = 5, ...)
x |
input time seires data. |
n |
a single integer for the length or row of returned data |
... |
additional arguments to be passed. |
The data can be an univariate or multivariate time series data.
An object like x but generally smaller.
Changyou Sun (cs258@.msstate.edu)
h1 <- ts(data=cbind(1:24), start=c(2001, 1), frequency=12)
h2 <- ts(data=cbind(1:24, 25:48), start=c(2001, 1), frequency=12)
h3 <- ts(data=cbind(1:4, 5:8, 9:12), start=c(2001, 1), frequency=4)
colnames(h2) <- c("aa", "bb")
colnames(h3) <- c("cc", "dd", "ee")
h1; h2; h3
h1; head(h1); tail(h1, 28)
h2; head(h2); tail(h2, 50)
h3; head(h3, 2); tail(h3); tail(h3, 8)
data(daBed); head(daBed); tail(daBed)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.