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August 28, 2021 01:43
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Shiny app code for SolvoMediocris : http://shiny.dds.ec/solvomediocris/
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library(shiny) | |
library(mc2d) | |
library(ggplot2) | |
library(scales) | |
shinyServer(function(input,output){ | |
values <- reactiveValues() | |
values$N <- 50000 | |
values$run <- "no" | |
observe({ | |
if (input$runmodel != 0) { | |
isolate({ | |
values$N <- input$N | |
TEFestimate <- data.frame(L = input$tefl, ML = input$tefml, H = input$tefh, CONF = input$tefconf) | |
TSestimate <- data.frame(L = input$tcapl, ML = input$tcapml, H = input$tcaph, CONF = input$tcapconf) | |
RSestimate <- data.frame(L = input$csl, ML = input$csml, H = input$csh, CONF = input$csconf) | |
LMestimate <- data.frame(L = input$lml, ML = input$lmml, H = input$lmh, CONF = 1) | |
LMsample <- function(x){ | |
return(sum(rpert(x, LMestimate$L, LMestimate$ML, LMestimate$H, shape = LMestimate$CONF) )) | |
} | |
TEFsamples <- rpert(values$N, TEFestimate$L, TEFestimate$ML, TEFestimate$H, shape = TEFestimate$CONF) | |
TSsamples <- rpert(values$N, TSestimate$L, TSestimate$ML, TSestimate$H, shape = TSestimate$CONF) | |
RSsamples <- rpert(values$N, RSestimate$L, RSestimate$ML, RSestimate$H, shape = RSestimate$CONF) | |
VULNsamples <- TSsamples > RSsamples | |
LEF <- TEFsamples[VULNsamples] | |
values$ALEsamples <- sapply(LEF, LMsample) | |
values$VAR <- quantile(values$ALEsamples, probs=(0.95)) | |
}) | |
} | |
}) | |
output$detail <- renderPrint({ | |
if (input$runmodel != 0) { | |
print(summary(values$ALEsamples)); | |
} | |
}) | |
output$detail2 <- renderPrint({ | |
if (input$runmodel != 0) { | |
print(paste0("Losses at 95th percentile are $", format(values$VAR, nsmall = 2, big.mark = ","))); | |
} | |
}) | |
output$plot <- renderPlot({ | |
if (input$runmodel != 0) { | |
ALEsamples <- values$ALEsamples | |
gg <- ggplot(data.frame(ALEsamples), aes(x = ALEsamples)) | |
gg <- gg + geom_histogram(binwidth = diff(range(ALEsamples)/50), aes(y = ..density..), color = "black", fill = "white") | |
gg <- gg + geom_density(fill = "steelblue", alpha = 1/3) | |
gg <- gg + scale_x_continuous(labels = comma) | |
gg <- gg + theme_bw() | |
print(gg) | |
} | |
}) | |
}) |
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shinyUI(pageWithSidebar( | |
headerPanel("SolvoMediocris"), | |
sidebarPanel( | |
tags$head( | |
tags$style(type="text/css", "input { font-size:10px; width:40px; display:inline-block; }"), | |
tags$style(type="text/css", "#lml, #lmml, #lmh, #lmconf { font-size:11px; width:100px; display:inline-block; }"), | |
tags$style(type="text/css", "#N { font-size:14px; width:200px; display:inline-block; }"), | |
tags$style(type="text/css", "label[for=N] { font-size:14px; display:inline-block; }"), | |
tags$style(type="text/css", "label { font-size:10px; display:inline-block; }") | |
), | |
h4("Threat Event Frequency"), | |
numericInput("tefl", "Min:", 10, min = 0, max = 100), | |
numericInput("tefml", "ML:", 20, min = 0, max = 100), | |
numericInput("tefh", "Max:", 100, min = 0, max = 100), | |
numericInput("tefconf", "Conf:", 1, min = 1, max = 5), | |
h4("Threat Capability"), | |
numericInput("tcapl", "Min:", 20, min = 0, max = 100), | |
numericInput("tcapml", "ML:", 30, min = 0, max = 100), | |
numericInput("tcaph", "Max:", 70, min = 0, max = 100), | |
numericInput("tcapconf", "Conf:", 1, min = 1, max = 5), | |
h4("Control Strength"), | |
numericInput("csl", "Min:", 40, min = 0, max = 100), | |
numericInput("csml", "ML:", 50, min = 0, max = 100), | |
numericInput("csh", "Max:", 60, min = 0, max = 100), | |
numericInput("csconf", "Conf:", 2, min = 1, max = 5), | |
h4("Loss Magnitude"), | |
numericInput("lml", "Min:", 100, min = 0), | |
numericInput("lmml", "ML:", 500, min = 0), br(), | |
numericInput("lmh", "Max:", 10000, min = 0), | |
numericInput("lmconf", "Conf:", 1, min = 1, max = 5), br(), | |
numericInput("N", "# Iterations:", 50000, min = 1000, step=1000), br(), | |
actionButton("runmodel", "Run Model"), | |
div(HTML("<br/><small>(App brought to you by <a href='http://datadrivensecurity.info'>Data Driven Security</a>)</small>")) | |
), | |
mainPanel( | |
tabsetPanel( | |
tabPanel("Distribution", plotOutput("plot")), | |
tabPanel("Detail", verbatimTextOutput("detail"), verbatimTextOutput("detail2")) | |
) | |
) | |
)) |
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