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Get type of data frame time column

Source: R/utils.R
get_time_type.Rd

Inspects a data frame's time column and returns its type.

Usage

get_time_type(df)

Arguments

df

A data frame with a time column.

Value

A string, one of "numeric", "date", "date-time"

Examples

# "numeric"
casteval:::get_time_type(data.frame(time=c(1,2,3)))
#> [1] "numeric"

# "date"
casteval:::get_time_type(data.frame(time=lubridate::as_date(1:3)))
#> [1] "date"

# "date-time"
casteval:::get_time_type(data.frame(time=lubridate::ymd_hms("2024-01-01_12:34:56")))
#> [1] "date-time"

# unsupported type
try(casteval:::get_time_type(list("January 1", "January 2")))
#> Error in casteval:::get_time_type(list("January 1", "January 2")) : 
#>   data frame does not contain time column