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- library(reticulate)
- library(shiny)
- library(dplyr)
- library(ggplot2)
- library(shinycssloaders)
- library(TSA)
- theme_set(theme_bw())
- use_virtualenv("../venv/")
-
- p <- import("pandas")
- aggdf <- p$read_pickle("../data/9-clusters.agg.pkl")
- aggdf$cluster <- factor(aggdf$cluster)
- sns <- import("seaborn")
-
- models <- readRDS('../models/1kmods.rds')
- clusters = names(models)
- cbp <- as.character(p$Series(sns$color_palette("colorblind", as.integer(length(clusters)))$as_hex()))
- names(cbp) <- clusters
- minhwm <- readRDS("../models/weatherMinharmonic.rds")
- maxhwm <- readRDS("../models/weatherMaxharmonic.rds")
- monthchoices <- 1:12
- names(monthchoices) <- month.name
- weekdaychoices = 1:7
- names(weekdaychoices) = c("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday")
-
-
- ui <- navbarPage("Counties Power demand modelling", collapsible = TRUE, selected = "Prediction",
- tabPanel("Data and model",
- plotOutput("dataPlot") %>% withSpinner(type = 5),
- fluidRow(
- column(4,
- selectInput("selDR", "Cluster", choices = clusters, selected = clusters[1])
- ),
- column(4,
- dateRangeInput("dpDR", "Date range", start = min(as.Date(aggdf$read_time)),
- end = max(as.Date(aggdf$read_time)),
- min = min(as.Date(aggdf$read_time)),
- max = max(as.Date(aggdf$read_time)),
- format = "dd/mm/yyyy")
- ),
- column(4, p(paste("Point represents mean value of cluster, coloured line represents model prediction of",
- "mean value of cluster."))
- )
- )),
- tabPanel("Prediction",
- plotOutput("predPlot"),
- fluidRow(
- column(6,
- sliderInput("temprange", "Temperature range", min = 0, max = 30, value = c(10, 18), width = "100%", post = " °C",
- step = 0.5, dragRange = TRUE)),
- column(2,
- selectInput("predmon", "Month (approximate)", monthchoices, selected = 1, width = "100%")
- ),
- column(2,
- selectInput("predday", "Day of week", weekdaychoices, selected = 2, width = "100%")
- ),
- column(2,
- numericInput("prl", "Reference line (kwh)", value = 2, width = "100%")
- )
- ),
-
- h5("Number of ICPs of each cluster serviced by node:"),
- fluidRow(
- column(1, numericInput("c1v", "1:", value = 1, min = 0, step = 1, width = "100%"), offset = 0),
- column(1, numericInput("c2v", "2:", value = 0, min = 0, step = 1, width = "100%")),
- column(1, numericInput("c3v", "3:", value = 0, min = 0, step = 1, width = "100%")),
- column(1, numericInput("c4v", "4:", value = 0, min = 0, step = 1, width = "100%")),
- column(1, numericInput("c5v", "5:", value = 0, min = 0, step = 1, width = "100%")),
- column(1, numericInput("c6v", "6:", value = 0, min = 0, step = 1, width = "100%")),
- column(1, numericInput("c7v", "7:", value = 0, min = 0, step = 1, width = "100%")),
- column(1, numericInput("c8v", "8:", value = 0, min = 0, step = 1, width = "100%")),
- column(1, numericInput("c9v", "9:", value = 0, min = 0, step = 1, width = "100%"))
- )
-
- )
- )
-
-
- server <- function(input, output) {
- output$dataPlot <- renderPlot({
- clus <- input$selDR
- fildf <- filter(aggdf, cluster %in% clus) %>%
- mutate(r = resid(models[[clus]]), f = fitted(models[[clus]])) %>%
- filter(read_time >= as.POSIXct(input$dpDR[1], tz = "UTC"), read_time <= as.POSIXct(input$dpDR[2], tz = "UTC"))
-
- yrange = range(c(range(fildf$f), range(fildf$kwh_tot_mean)))
- dplot <- ggplot(fildf, aes(x = read_time, y = f, color = cluster))
-
- dplot <- dplot + geom_line(size = 2)
-
- dplot <- dplot + geom_point(aes(y = kwh_tot_mean), color = "black")
-
- dplot <- dplot + coord_cartesian(xlim = as.POSIXct(input$dpDR, tz = "UTC"),
- ylim = c(yrange[1] - (yrange[2] - yrange[1]) * 0.05,
- yrange[2] + (yrange[2] - yrange[1]) * 0.05),
- expand = FALSE)
-
- dplot <- dplot + scale_color_manual(values = cbp)
- dplot <- dplot + theme(legend.position = "none")
-
- dplot <- dplot + labs(y = "kwh", x = "Date/Time", caption = sprintf("Cluster: %s", clus))
-
- return(dplot)
- })
-
- prediction <- function() {
- numeclus <- c(input$c1v,input$c2v,input$c3v,input$c4v,input$c5v,input$c6v,input$c7v,input$c8v,input$c9v)
- numeclus[is.na(numeclus)] <- 0
- ystart <- floor((as.numeric(input$predmon) - 0.5) / 12 * 365.25 * 48)
- harm.y <- ts(1:48, frequency = 365.25 * 48, start = c(1, ystart)) %>% harmonic(2)
- harm.w <- ts(1:48, frequency = 7 * 48, start = c(1, 48 * (-1 + as.numeric(input$predday)))) %>% harmonic(3)
- harm.d <- ts(1:48, frequency = 48, start = c(1, 1)) %>% harmonic(3)
- colnames(harm.y) <- sprintf("%s.%s.%s", "year", rep(c("cos", "sin"), each = ncol(harm.y)/2), rep(1:(ncol(harm.y)/2), times = 2))
- colnames(harm.w) <- sprintf("%s.%s.%s", "week", rep(c("cos", "sin"), each = ncol(harm.w)/2), rep(1:(ncol(harm.w)/2), times = 2))
- colnames(harm.d) <- sprintf("%s.%s.%s", "day", rep(c("cos", "sin"), each = ncol(harm.d)/2), rep(1:(ncol(harm.d)/2), times = 2))
- qharm <- harmonic(ts(1:48, frequency = floor(365.25 * 48), start = c(1, ystart)), 2)
- # harnames <- paste0("yharm", colnames(qharm))
- qharm <- as.data.frame(qharm)
- # names(qharm) <- harnames
- wmmin <- input$temprange[1] - predict(minhwm, newdata = qharm, type = 'response')
- wmmax <- input$temprange[2] - predict(maxhwm, newdata = qharm, type = 'response')
- predinp <- data.frame(resmin = wmmin, resmax = wmmax)
- predinp <- cbind(predinp, harm.y, harm.w, harm.d)
- predvec = rep(0, 48)
- for (c in 1:length(clusters)) {
- predvec <- predvec + numeclus[c] * predict(models[[c]], newdata = predinp, type = 'response')
- }
- return(data.frame(x = 1:48, y = predvec))
- }
-
- output$predPlot <- renderPlot({
- predf <- prediction()
- predp <- ggplot(predf, aes(x, y)) + geom_line()
- predp <- predp + scale_y_continuous("Predicted kwh", limits = c(0, NA))
- predp <- predp + scale_x_continuous("Time", labels = function(x) {
- sprintf("%02d:%02d", (x %/% 2) %% 24, x %% 2 * 30)
- }, breaks = 0:12 * 4)
- if (!is.na(input$prl)) {
- predp <- predp + geom_hline(yintercept = input$prl, linetype = "dashed")
- }
- predp
- })
-
- }
-
-
- shinyApp(ui = ui, server = server)
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