Coerce an object to class ev

Use this function to convert a data frame to an event object.

Usage

as.ev(x, ...)

# S4 method for class 'data.frame'
as.ev(x, keep_id = TRUE, clean = FALSE, ...)

# S4 method for class 'ev'
as.ev(x, ...)

Arguments

x

an object to coerce.

...

not used.

keep_id

if TRUE, ID column is retained if it exists.

clean

if TRUE, only dosing or ID information is retained in the result.

Value

An object with class ev.

Details

If CMT (or cmt) is missing from the input, it will be set to 1 in the event object.

If TIME (or time) is missing from the input, it will be set to 0 in the event object.

If EVID (or evid) is missing from the input, it will be set to 1 in the event object.

Examples

data <- data.frame(AMT = 100) 

as.ev(data)
#> Events:
#>   time amt cmt evid
#> 1    0 100   1    1

as.ev(data, clean = TRUE)
#> Events:
#>   amt cmt evid
#> 1 100   1    1