one_column_check

Help function to check arguments of df with one column.

one_column_check(df)

Arguments

df	data.frame, xts or data.table object

Value

data.table with 1 column: Datetime

Examples

 data(spy)
 one_column_check(subset(spy, select = c("index")))
#>                   Datetime
#>     1: 2018-01-02 15:34:00
#>     2: 2018-01-02 15:39:00
#>     3: 2018-01-02 15:44:00
#>     4: 2018-01-02 15:49:00
#>     5: 2018-01-02 15:54:00
#>    ---                    
#> 58016: 2020-12-31 21:39:00
#> 58017: 2020-12-31 21:44:00
#> 58018: 2020-12-31 21:49:00
#> 58019: 2020-12-31 21:54:00
#> 58020: 2020-12-31 21:59:00
 if (FALSE) one_column_check(subset(spy, select = c("close")))