shinyServer(function(input, output) {
res <- reactive({
parms <- list(iniN = input$N,
iniS = rep(0,2),
iniQ = rep(0,2),
l = c(input$l1, input$l2),
q = c(input$q1, input$q2),
qe = 0,
alpha = 0.01,
beta = 5,
gamma = 1200,
eta = 2,
psi = 0.05,
rho = 0.01,
k = c(100 - input$k1 + 1, 100 - input$k2 + 1),
n = 2)
out <- dede(c(N = parms$iniN, S = parms$iniS, Q = parms$iniQ),
seq(0, 3600, length.out = 360),
ode_sys,
parms)
data.frame(time = rep(out[, 1], 2),
S = c(rep("Source 1", nrow(out)), rep("Source 2", nrow(out))),
val = c(out[, 3], out[, 4]))
})
output$the_display <- renderPlotly({
g <- ggplot(data = res(), aes(x = time, y = val, color = S)) +
geom_path(size = 0.75) +
theme_minimal(base_size = 16) +
theme(legend.title = element_blank()) +
xlab("Time") + ylab("Number of ants") +
scale_color_manual(values = c("#2678B2", "#FD7F28"))
ggplotly(g) %>%
layout(legend = list(x = 0.5, y = 1.1, orientation = "h", xanchor = "center"),
hovermode = "x")
})
})
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