xts
xts
is an extensible time series object which carries all the features of a zoo
object. It consists of a matrix and index which has to be time-based. There are two ways of constructing xts
objects: one is by calling as.xts
and another is constructing the xts
object from scratch.
Construction of an xts object using as.xts
Let us read a few lines of our sample data through zoo
and construct the xts
object by executing the following code:
> StockData <- read.zoo("DataChap4.csv",header = TRUE, sep = ",",format="%m/%d/%Y",nrows=3) > matrix_xts <- as.xts(StockData,dateFormat='POSIXct') > matrix_xts
This gives the following output:
|
|
| |
12/12/2016 |
615800 |
192.43 |
0.13 |
12/13/2016 |
6816100 |
198.15 |
2.97 |
12/14/2016 |
4144600 ... |
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