fix(hess_always): part of #394

vignettes/introduction.Rmd

@@ -244,8 +244,6 @@ where the output can be saved and used to build `simdf`.
 
 ```{r scenario-defaults, echo=TRUE}
 simdf <- setup_scenarios_defaults()
-# Get standard errors by turning on the hessian
-simdf[, "hess_always"] <- TRUE
 ```
 
 Column entries of `simdf` need to be quoted if they are to be evaluated later, e.g.,
@@ -259,14 +257,11 @@ you would like to help with this effort or
 have ideas on how to make it work better.
 
 Column names of `simdf` are key.
-In the example above,
-`hess_always` is an argument of `ss3sim_base()` and can be used directly as the column name.
-In fact, you can specify any input argument to `ss3sim_base()` as a column of `simdf`.
+You can specify any input argument to `ss3sim_base()` as a column of `simdf`.
 
 {ss3sim} function              Argument                   Description
 ---------------              --------------            -----------
 `ss3sim_base`                `bias_adjust`              Perform bias adjustment
-`ss3sim_base`                `hess_always`              Calculate hessian
 
 For functions that are called by `ss3sim_base()` you need to use the following rules to create appropriate column names:
 
@@ -377,8 +372,6 @@ a data frame for `run_ss3sim(simdf = df)`.
 df <- setup_scenarios_defaults(nscenarios = 2)
 # Turn off bias adjustment and use default settings in cod EM model
 df[, "bias_adjust"] <- FALSE
-# Estimate the hessian
-df[, "hess_always"] <- TRUE
 ```
 
 ### Fishing mortality
@@ -514,7 +507,6 @@ df[, "ce.par_int"] <- NA
 df[, "ce.par_phase"] <- c(-1, 3)
 df[, "scenarios"] <- c("D1-E100-F0-cod", "D1-E101-F0-M1-cod")
 df[, "bias_adjust"] <- FALSE
-df[, "hess_always"] <- TRUE
 ```
 
 ### Run self-test