as.xts.data.table {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.
`...` | ignored, just for consistency with generic method.

### 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)

[Package data.table version 1.10.4-1 Index]