Subsetting method for mmkin objects

Usage

# S3 method for mmkin
[(x, i, j, ..., drop = FALSE)

Arguments

x: An mmkin object
i: Row index selecting the fits for specific models
j: Column index selecting the fits to specific datasets
...: Not used, only there to satisfy the generic method definition
drop: If FALSE, the method always returns an mmkin object, otherwise either a list of mkinfit objects or a single mkinfit object.

Value

An object of class mmkin.

Author

Johannes Ranke

Examples


  # Only use one core, to pass R CMD check --as-cran
  fits <- mmkin(c("SFO", "FOMC"), list(B = FOCUS_2006_B, C = FOCUS_2006_C),
                cores = 1, quiet = TRUE)
  fits["FOMC", ]
#> <mmkin> object
#> Status of individual fits:
#> 
#>       dataset
#> model  B  C 
#>   FOMC OK OK
#> 
#> OK: No warnings
  fits[, "B"]
#> <mmkin> object
#> Status of individual fits:
#> 
#>       dataset
#> model  B 
#>   SFO  OK
#>   FOMC OK
#> 
#> OK: No warnings
  fits["SFO", "B"]
#> <mmkin> object
#> Status of individual fits:
#> 
#>      dataset
#> model B 
#>   SFO OK
#> 
#> OK: No warnings

  head(
    # This extracts an mkinfit object with lots of components
    fits[["FOMC", "B"]]
  )
#> $par
#>  parent_0 log_alpha  log_beta     sigma 
#> 99.666192  2.549850  5.050587  1.890202 
#> 
#> $objective
#> [1] 28.58291
#> 
#> $convergence
#> [1] 0
#> 
#> $iterations
#> [1] 21
#> 
#> $evaluations
#> function gradient 
#>       25       78 
#> 
#> $message
#> [1] "both X-convergence and relative convergence (5)"
#>