sample_matrix: Sample Data Matrix For xts Example and Unit Testing
Description
Simulated 180 observations on 4 variables.format
The format is:
num [1:180, 1:4] 50.0 50.2 50.4 50.4 50.2 ...
- attr(*, "dimnames")=List of 2
..$ : chr [1:180] "2007-01-02" "2007-01-03" "2007-01-04" "2007-01-05" ...
..$ : chr [1:4] "Open" "High" "Low" "Close"