# ===========================================================================
# R-script for ICES assessment summary 1982-2016
# Martin Pastoors
# Original:09/07/2014
# updated: 08/09/2014
# updated: 10/03/2015
# updated: 05/04/2016
# 10/04/2016 removed forecast years to separate file
# ===========================================================================
# Reset lists
rm(list=ls())
require(gdata) # install.packages("gdata")
require(graphics) # install.packages("graphics" )
require(ggplot2)
require(lattice)
library(dplyr)
library(tidyr)
# library(directlabels) # install.packages("directlabels")
# Set working directory
setwd("C:/DATA/GIT/mptools/")
# Read and convert data
rby <- read.csv("C:/DATA/ICES Assessment Summary database 20160330.csv",
stringsAsFactors=F)
rby$F <- as.numeric(rby$F)
rby$Recruitment <- as.numeric(rby$Recruitment)
rby$SSB <- as.numeric(rby$SSB)
rby$Landings <- as.numeric(rby$Landings)
rby$Catches <- as.numeric(rby$Catches)
# Store the forecast years
rbyF <-
rby %>%
tbl_df() %>%
select(AssYear, FishStock, Year, SSB, Recruitment, F, Landings, Catches) %>%
filter(Year >= AssYear) %>%
mutate(ForecastYear = Year - AssYear)
# write.csv(rbyF,"rbyF.csv")
# Store the assessments
rbyA <-
rby %>%
tbl_df() %>%
select(AssYear, FishStock, Year, SSB, Recruitment, F, Landings, Catches) %>%
filter(Year < AssYear)
# write.csv(rbyA,"rbyA.csv")
# Plot stock data over different assessment years ---------------------
d <-
rbyA %>%
tbl_df() %>%
# filter(FishStock == "cod-347d",
filter(FishStock == "her-47d3",
Year > 1990,
AssYear >= 2011,
Year <= AssYear) %>%
select(AssYear, Year, FishStock, SSB, F, Recruitment) %>%
gather(key=variable, value, SSB:Recruitment)
# dataset with last year
d.last <- d %>% filter(AssYear == max(AssYear))
# dataset from other years
d <- d %>% filter(AssYear != max(AssYear))
d %>%
filter(variable %in% c("SSB","F","Recruitment") ) %>%
# strange the factor does not work in ordering the graphs??
mutate(variable = factor(variable, levels = c("SSB", "F", "Recruitment"))) %>%
ggplot(aes(Year,value, group=AssYear)) +
theme_bw() +
geom_line() +
geom_line(data = d.last, col = "red", lwd = 1) +
facet_grid(variable ~ ., scales = "free", switch = "y") +
expand_limits(y = 0) +
theme(legend.title = element_blank()) +
labs(x = NULL, y = NULL)
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