Represents a valid united formation.
formation(
GK,
SW,
DF,
MF,
ST,
hardness = c(0, 0, 0, 0, 0),
homeAdv = c(0, 0, 0, 0, 0)
)integer for the strength goalkeeper
vector for the strength of the sweeper, can be
NA or a numeric
numeric vector for the strengths of the players in the
defense
numeric vector for the strengths of the players in the
midfield
numeric vector of integers for the strenghts of the strikers
numeric vector of length five with integers for the used hardness
numeric vector of length five with integers for the used hardness
S4 object of the class formation.