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Estimate length-at-age using the von Bertanlaffy parametization

est_growth.Rd

Estimate length-at-age using the von Bertanlaffy parametization

Usage

est_growth(
  dir = NULL,
  dat,
  return_df = TRUE,
  Par = data.frame(K = 0.13, Linf = 55, L0 = 15, CV0 = 0.1, CV1 = 0.1),
  bySex = TRUE,
  estVB = TRUE,
  bins = NULL,
  sdFactor = 1,
  dopng = lifecycle::deprecated()
)

Arguments

dir

Directory where output will be saved. The directory where the file should be saved. If dir = NULL no output will be saved.

dat

Data frame of biological data from pull_bio()

return_df

TRUE/FALSE If set to TRUE the dat data frame is returned with added columns for the estimated Lhat_low, Lhat_pred, and Lhat_high.

Par

Data frame of starting parameters for K, Linf, L0, CV0, and CV2 based on the Stock Synthesis parameterization of von Bertanlaffy growth.

bySex

Logical to indicate if plot by sex

estVB

Logical. Estimate vonB growth to plot against predicted length. If F, it uses the paramters in parStart.

bins

The bins to put ages into. If NULL then simply uses the ages as recorded.

sdFactor

The number of standard deviations to include in the low and high calculations. The default is 1.0.

dopng

Deprecated with nwfscSurvey 2.1 because providing a non-NULL value to dir can serve the same purpose as dopng = TRUE without the potential for errors when dopng = TRUE and dir = NULL. Thus, users no longer have to specify dopng to save the plot as a png.

See also

fit_vbgrowth()

Author

Chantel Wetzel