Last data update: 2014.03.03
|
R: Efficient data.table to xts conversion
as.xts.data.table | R Documentation |
Efficient data.table to xts conversion
Description
Efficient conversion of data.table to xts, data.table must have POSIXct or Date type in first column.
Usage
as.xts.data.table(x)
Arguments
x |
data.table to convert to xts, must have POSIXct or Date in the first column. All others non-numeric columns will be omitted with warning.
|
See Also
as.data.table.xts
Examples
## Not run:
sample.dt <- data.table(date = as.Date((Sys.Date()-999):Sys.Date(),origin="1970-01-01"),
quantity = sample(10:50,1000,TRUE),
value = sample(100:1000,1000,TRUE))
# print dt
print(sample.dt)
# print head of xts
print(head(as.xts.data.table(sample.dt))) # xts might not be attached on search path
## End(Not run)
Results
|