rkhist for data.frame objectsThis is the method called when the fcst argument in function
rkhist is a data frame.
# S3 method for data.frame
rkhist(fcst, obs, names = NULL, ...)an object containing the ensemble forecasts. It must be a data frame, each row containing a forecast.
an object containing the observation associated to the forecast in
fcst. It can be a vector or a matrix, whose length is the same as
the number of row in fcst
a character vector. The row names in the returned rkhist
object.
additional arguments, passed to function base::rank.
An S3 object of class rkhist (indeed just 1-row matrix
containing the count for each rank, with class == "rkhist").