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plot_model.Rmd
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plot_model.Rmd
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---
title: "plot_model"
author: "Luke Holman"
date: "2018-07-17"
output: workflowr::wflow_html
editor_options:
chunk_output_type: console
---
```{r setup, echo=FALSE, results='hide'}
source_rmd <- function(file, local = FALSE){
options(knitr.duplicate.label = "allow")
tempR <- tempfile(tmpdir = ".", fileext = ".R")
on.exit(unlink(tempR))
print(file.exists("model_functions.Rmd"))
knitr::purl(file, output = tempR, quiet = TRUE)
source(tempR, local = globalenv())
}
source_rmd("analysis/model_functions.Rmd")
```
# Load packages and results
```{r}
library(ggplot2)
library(ggbeeswarm)
library(gridExtra)
# library(brms)
library(ggeffects)
library(readr)
results <- read_RDS("data/all_results.rds")
results$went_extinct <- ifelse(results$outcome == "Population extinct", 1, 0)
results$outcome %>% table()
variable_parameters <- sapply(results %>% select(-id, -realisations, -generation_extinct, -generation_Zd_extinct, -generation_W_extinct, -generation_Zd_fixed, -outcome, -allele_freqs, -final_pop, -went_extinct, -mating_table), function(x) length(unique(x))) %>% keep(~.x > 1) %>% names()
# summarytools::view(dfSummary(plot_data))
```
```{r}
form <- as.formula(paste("went_extinct ~ (",
paste0(variable_parameters, collapse = " + "), ")",
sep = ""))
glm_model <- glm(form,
data = results, family = "binomial")
glm_model %>% ggpredict()
brms_model <- brm(form,
data = results,
family = "bernoulli", inits = "0",
iter = 8000, warmup = 4000, chains = 4, cores = 4, seed = 1,
control = list(adapt_delta = 0.9, max_treedepth = 15)
)
```
```{r}
plot_run <- function(row, results){
df <- pluck_allele_freqs(row, results, variable_parameters)
alleles_to_plot <- group_by(df, allele) %>%
summarise(uniques = length(unique(frequency))) %>% filter(uniques > 1) %>% .$allele
df$frequency[df$allele == "N"] <- df$frequency[df$allele == "N"] / max(df$frequency[df$allele == "N"])
print(tail(df,12))
ggplot(df[df$allele %in% alleles_to_plot, ],
aes(x = generation, y = frequency, colour = allele, group = allele)) +
geom_line()
}
plot_run(2, results)
```
```{r}
plot_data <- pluck(results, "generation_extinct") %>%
add_parameters() %>% select(-id) %>% remove_nonvariable_parameters() %>%
mutate(not_extinct = is.na(generation_extinct),
generation_extinct = replace(generation_extinct,
not_extinct,
rnorm(length(generation_extinct[not_extinct]),
mean = 1000, sd = 0))) # change later?
plot_data %>%
ggplot(aes(factor(Zr_creation_rate), generation_extinct, fill = not_extinct)) +
geom_beeswarm(shape = 21, colour = "black", cex = 2, aes(alpha = Zr_creation_rate)) +
facet_grid(female_migration_prob~softness) +
# stat_summary(data = dat %>%
# filter(!not_extinct),
# fun.data = "mean_cl_boot", shape = 21, fill = "white") +
theme(legend.position = "top")
```
```{r}
pop_size_results <- results %>%
pluck("allele_freqs") %>%
filter(allele == "N") %>%
add_parameters() %>% select(-allele) %>%
rename(pop_size = frequency)
pop_size_results %>%
ggplot(aes(generation, pop_size, group = id)) +
geom_line() +
facet_grid(Zr_creation_rate ~ softness)
```
```{r}
max_N <- max(pluck(results, "allele_freqs")$frequency, na.rm = T)
pluck(results, "allele_freqs") %>%
add_parameters() %>%
filter(allele %in% c("Zd")) %>%
# mutate(frequency = unlist(modify_at(frequency, which(allele == "N"), ~./max_N))) %>%
ggplot(aes(generation, frequency, group = id, colour = allele)) +
geom_line() +
facet_grid(Zr_creation_rate ~ softness) +
scale_x_continuous(limits = c(0,350))
```
# problem in para2, Wr appears when it should not?
```{r}
foc <- 2
df <- pluck(results, "allele_freqs") %>% filter(id == foc)
pop <- df %>% filter(allele == "N")
df <- df %>% filter(!(allele %in% c("A", "B", "Z", "W", "N")))
grid.arrange(ggplot(df, aes(generation, frequency, colour = allele)) +
geom_line() +
scale_color_brewer(palette = "Pastel1") + theme_black(),
ggplot(pop, aes(generation, frequency/1000, colour = allele)) +
geom_line() + ylab("Pop size (1000s)") +
theme_black())
pluck(results, "parameters") %>% filter(id == foc)
```
# add option to release only in one patch
# add tests of the mating table
# Zd seems to go extinct immediately, why?