Rk
is now the egg to tR survival if between 0 and
1.Replaced parameters
M
(annual instantaneous natural mortality rate)Mb
(annual instantaneous natural mortality rate (as a
function of length) scaling exponent)A0
(initial post age tR density independent mortality
probability)with
n
(annual natural mortality rate from age tR to length
Ln)nL
(annual natural mortality rate from length Ln)Ln
(length at which the natural mortality rate switches
from n to nA)And
k2
, Linf2
and
L2
to allow for biphasic growth.Lp
value to be 1000 as opposed to Linf.Ls
and Lv
arguments to be 50 as
opposed to Linf/2
.L2
, Ln
, Ls
and
Lv
to also take ages (as negative values).expand = TRUE
argument to
ypr_populations()
to allow control over all
combinations.ypr_populations_expand()
to create all
combinations of parameters.ypr_populations_update()
(as well as
update.ypr_population()
and
update.ypr_populations()
).ypr_populations
no longer requires names.ypr_population_names()
to allow user to generate
names.as_ypr_populations.data.frame()
.data.frame.ypr_population()
and
data.frame.ypr_populations()
.ypr_age_at_length()
to get ages at specific
lengths for a given population.ypr_length_at_age()
to get lengths at specific
ages for a given population.description = ""
argument to
ypr_report()
to allow user to describe report.ypr_report()
now starts with table of parameter values
with parameter descriptions.view = FALSE
argument to
ypr_report()
to allow user to view report in browser.ask = TRUE
argument to ypr_report()
to ask before overwriting or creating a file.ypr_report()
.ypr_schedule()
for
ypr_tabulate_schedule()
.percent = FALSE
argument to
ypr_plot_fish()
ypr_tabulate_biomass()
to easily calculate total
biomass and eggs.HandlingMortality
to
HandlingMortalities
in ypr_tabulate_fish()
and
ypr_plot_fish()
.Spawning
to Spawners
in
ypr_tabulate_fish()
and ypr_plot_fish()
.ypr_populations()
now generates namesq
instead of Ea
and
Eb
for effortRk
now has to be greater than >= 1ypr_exploitation()
to convert capture
probabilities to exploitation probabilities.ypr_report()
to generate Rmd file for
population.Wa
to be 0.01.ypr_populations()
to generate all combinations of
parameters.ypr_tabulate_sr()
,
ypr_tabulate_yield()
, ypr_tabulate_yields()
,
ypr_plot_yield()
generic with definitions for
ypr_population
and ypr_populations
objects.A0
for initial interval
mortality of recruits.Ea
and Eb
to
allow plots of yield per effort.Age
, Length
, Weight
and
Effort
to ypr_tabulate_yield()
and added
ypr_tabulate_yields()
y
arg to ypr_plot_yield()
to allow
plotting of mean age, length, weight, effort or yield per effort by
exploitation or capture probability.ypr_plot_histogram()
to plot frequency
distributions of catch, spawners and in lake by age, length or weight
bins.ypr_tabulate_parameters()
to get table of
parameters, values and descriptions and
ypr_detabulate_parameters()
to convert back to a population
object.ypr_tabulate_sr()
to get table of eggs and
recruits at unfished, actual and optimal rates.print.ypr_population()
.Mb
to scale mortality by length and
BH
to distinguish between Beverton-Holt and Ricker curves
and es
for probability of a mature fish spawning and
Sm
for spawning mortality probability and Sp
for spawning power and vulnerability power Vp
and slot
limit non-complicance parameter Nc
and scaling parameter
R0
.ypr_population_update()
to update population
parameters.ypr_yield_tabulate()
to tabulate actual and
optimal yields.ypr_sr()
to get stock recruitment parameters and
ypr_plot_sr()
to plot.ypr_inst2inter()
and
ypr_inter2instant()
to convert mortality rates.nu
for M
and R0
for
Rmax
.harvest
and
biomass
to FALSE
by default.a
to Wa
and b
to
Wb
and eta
to Hm
and
mu
to pi
and Rt
to
tR
.Capture
(as covered by single value) and
TotalMortality
from schedule and added
Spawning
.