two_column_check

Help function to check arguments.

two_column_check(df)

Arguments

df	data.frame, xts or data.table object

Value

data.table with 2 columns: Datetime and Value

Examples

 data(spy)
 two_column_check(subset(spy, select = c("index", "close")))
#>                   Datetime  Value
#>     1: 2018-01-02 15:34:00 267.47
#>     2: 2018-01-02 15:39:00 267.79
#>     3: 2018-01-02 15:44:00 267.82
#>     4: 2018-01-02 15:49:00 267.68
#>     5: 2018-01-02 15:54:00 267.73
#>    ---                           
#> 58016: 2020-12-31 21:39:00 373.38
#> 58017: 2020-12-31 21:44:00 373.28
#> 58018: 2020-12-31 21:49:00 373.44
#> 58019: 2020-12-31 21:54:00 374.06
#> 58020: 2020-12-31 21:59:00 373.87
 if (FALSE) two_column_check(subset(spy, select = c("index")))
 if (FALSE) two_column_check(subset(spy, select = c("close")))