Calculates the surplus production.

# S4 method for FLBRP,missing,ANY
sp(stock, rel = TRUE)

Arguments

m

An object of class FLBRP

Value

object of class FLQuant with sp estimate

See also

FLCore::sp()

Examples

data(ple4brp)

sp(ple4brp)
#> An object of class "FLQuant"
#> , , unit = unique, season = all, area = unique
#> 
#>      year
#> age   1957     1958     1959     1960     1961     1962     1963     1964    
#>   all 0.190545 0.230857 0.240952 0.280596 0.073281 0.348117 0.342663 0.451669
#>      year
#> age   1965     1966     1967     1968     1969     1970     1971     1972    
#>   all 0.340148 0.229519 0.357505 0.448677 0.443250 0.392691 0.378051 0.582184
#>      year
#> age   1973     1974     1975     1976     1977     1978     1979     1980    
#>   all 0.515224 0.517726 0.458725 0.533851 0.508683 0.621103 0.515543 0.667523
#>      year
#> age   1981     1982     1983     1984     1985     1986     1987     1988    
#>   all 0.657070 0.483487 0.544217 0.546903 0.592312 0.530056 0.753232 0.686869
#>      year
#> age   1989     1990     1991     1992     1993     1994     1995     1996    
#>   all 0.767033 0.731767 0.738765 0.719776 0.807445 0.696102 0.681542 0.639959
#>      year
#> age   1997     1998     1999     2000     2001     2002     2003     2004    
#>   all 0.582003 0.798586 0.725119 0.617965 0.599525 0.529052 0.680046 0.513100
#>      year
#> age   2005     2006     2007     2008     2009     2010     2011     2012    
#>   all 0.330422 0.362039 0.089536 0.086617 0.031972 0.176113 0.134916 0.063903
#>      year
#> age   2013     2014     2015     2016    
#>   all 0.039055 0.229412 0.096935 0.065012
#> 
#> units: