Coerce a data frame into a bts
object, using a suitable
column as a date.
# S3 method for class 'data.frame'
as.bts(object, dateName, yearName, ...)
Arguments
- object
A data frame with one column
- dateName
Character. Optional column name for a date in an
understandable format.
- yearName
Character. Optional column name for a year. When
given, the column must be either numeric or character.
- ...
Not used.
Value
An object with class "bts"
inheriting from
"matrix"
.
Examples
## does not work
bts0 <- try(as.bts(TXMax_Dijon))
#> Error in as.bts.data.frame(TXMax_Dijon) :
#> 'dateName' an 'yearName' can both be missing only if 'object' contains exactly one column with class "Date"
## works
bts1 <- try(as.bts(TXMax_Dijon, year = "Year"))