257 lines
8.5 KiB
R
257 lines
8.5 KiB
R
# 00_current_analysis.R
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#
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# content: (1) Read evalutation data
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# (2) Clustering
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# (3) Visualization with pictures
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#
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# input: results/eval_heuristics_artworks.csv
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# results/eval_all-miners_complete.csv
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# output: --
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#
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# last mod: 2023-12-08, NW
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# setwd("C:/Users/nwickelmaier/Nextcloud/Documents/MDS/2023ss/60100_master_thesis/code")
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#--------------- (1) Read evaluation data ---------------
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eval_heuristics <- read.table("results/eval_heuristics_artworks.csv", header = TRUE,
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sep = ";", row.names = 1)
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eval_inductive <- read.table("results/eval_inductive_artworks.csv", header = TRUE,
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sep = ";", row.names = 1)
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#--------------- (2) Clustering ---------------
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set.seed(1607)
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# Heuristics Miner
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k1 <- kmeans(eval_heuristics, 4)
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colors <- c("#3CB4DC", "#78004B", "#91C86E", "#FF6900")
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plot(generalizability ~ precision, eval_heuristics, pch = 16, col = colors[k1$cluster])
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## Scree plot
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ks <- 1:10
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sse <- NULL
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for (k in ks) sse <- c(sse, kmeans(eval_heuristics, k)$tot.withinss)
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plot(sse ~ ks, type = "l")
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# Inductive Miner
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k2 <- kmeans(eval_inductive, 4)
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plot(generalizability ~ precision, eval_inductive, pch = 16, col = colors[k2$cluster])
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## Scree plot
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ks <- 1:10
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sse <- NULL
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for (k in ks) sse <- c(sse, kmeans(eval_inductive, k)$tot.withinss)
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plot(sse ~ ks, type = "l")
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#--------------- (3) Visualization with pictures ---------------
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library(png)
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library(jpeg)
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library(grid)
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## Heuristics Miner
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#pdf("../figures/clustering_heuristics.pdf", height = 8, width = 8, pointsize = 10)
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png("../figures/clustering_heuristics.png", units = "in", height = 8, width = 8, pointsize = 10, res = 300)
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par(mai = c(.6,.6,.1,.1), mgp = c(2.4, 1, 0))
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plot(generalizability ~ precision, eval_heuristics, type = "n", ylim = c(0.845, 0.98))
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for (art in as.numeric(rownames(eval_heuristics))) {
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art_string <- sprintf("%03d", art)
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if (art == 125) {
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pic <- readJPEG(paste0("../data/haum/ContentEyevisit/eyevisit_cards_light/",
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art_string, "/", art_string, ".jpg"))
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} else {
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pic <- readPNG(paste0("../data/haum/ContentEyevisit/eyevisit_cards_light/",
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art_string, "/", art_string, ".png"))
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}
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img <- as.raster(pic[,,1:3])
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x <- eval_heuristics[rownames(eval_heuristics) == art, "precision"]
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y <- eval_heuristics[rownames(eval_heuristics) == art, "generalizability"]
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points(x, y, col = colors[k1$cluster[as.character(art)]], cex = 8, pch = 15)
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rasterImage(img,
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xleft = x - .002,
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xright = x + .002,
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ybottom = y - .004,
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ytop = y + .004)
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}
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dev.off()
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## Inductive Miner
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plot(generalizability ~ precision, eval_inductive, col = colors[k2$cluster],
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cex = 8, pch = 15)
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for (art in as.numeric(rownames(eval_inductive))) {
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art_string <- sprintf("%03d", art)
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if (art == 125) {
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pic <- readJPEG(paste0("../data/haum/ContentEyevisit/eyevisit_cards_light/",
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art_string, "/", art_string, ".jpg"))
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} else {
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pic <- readPNG(paste0("../data/haum/ContentEyevisit/eyevisit_cards_light/",
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art_string, "/", art_string, ".png"))
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}
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img <- as.raster(pic[,,1:3])
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x <- eval_inductive[rownames(eval_inductive) == art, "precision"]
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y <- eval_inductive[rownames(eval_inductive) == art, "generalizability"]
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rasterImage(img,
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xleft = x - .001,
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xright = x + .001,
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ybottom = y - .002,
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ytop = y + .002)
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}
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#--------------- (4) Read event logs ---------------
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dat <- read.table("../data/haum/event_logfiles_glossar_2023-11-03_17-46-28.csv",
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sep = ";", header = TRUE)
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dat$date <- as.POSIXct(dat$date)
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dat$date.start <- as.POSIXct(dat$date.start)
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dat$date.stop <- as.POSIXct(dat$date.stop)
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dat$artwork <- sprintf("%03d", dat$artwork)
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dat$event <- factor(dat$event, levels = c("move", "flipCard", "openTopic", "openPopup"))
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dat$weekdays <- factor(weekdays(dat$date.start),
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levels = c("Montag", "Dienstag", "Mittwoch",
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"Donnerstag", "Freitag", "Samstag",
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"Sonntag"),
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labels = c("Monday", "Tuesday", "Wednesday",
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"Thursday", "Friday", "Saturday",
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"Sunday"))
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#--------------- (5) Frequency plot for clusters ---------------
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# Only pre Corona
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dat <- dat[dat$date < "2020-03-13",]
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counts_artwork <- table(dat$artwork)
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dat_count <- as.data.frame(counts_artwork)
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names(dat_count) <- c("artwork", "freq")
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dat_count$cluster <- k1$cluster[order(as.numeric(names(k1$cluster)))]
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dat_count$cluster <- factor(dat_count$cluster, levels = c(4, 2, 1, 3), labels = 4:1)
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dat_count <- dat_count[order(dat_count$cluster, dat_count$freq, decreasing = TRUE), ]
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dat_count$artwork <- factor(dat_count$artwork, levels = unique(dat_count$artwork))
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barplot(freq ~ artwork, dat_count, las = 2, ylim = c(0, 60000),
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border = "white", ylab = "",
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col = c("#FF6900", "#78004B", "#3CB4DC", "#91C86E" )[dat_count$cluster])
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# compare to clusters
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plot(generalizability ~ precision, eval_heuristics, type = "n", ylim = c(0.845, 0.98))
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with(eval_heuristics, text(precision, generalizability,
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rownames(eval_heuristics),
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col = colors[k1$cluster]))
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#--------------- (6) DFGs for clusters ---------------
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library(bupaverse)
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dat$start <- dat$date.start
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dat$complete <- dat$date.stop
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alog <- activitylog(dat,
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case_id = "trace",
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activity_id = "event",
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resource_id = "artwork",
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timestamps = c("start", "complete"))
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alog_c1 <- filter_case_condition(alog,
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artwork %in% dat_count[dat_count$cluster == 1, "artwork"])
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alog_c2 <- filter_case_condition(alog,
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artwork %in% dat_count[dat_count$cluster == 2, "artwork"])
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alog_c3 <- filter_case_condition(alog,
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artwork %in% dat_count[dat_count$cluster == 3, "artwork"])
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alog_c4 <- filter_case_condition(alog,
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artwork %in% dat_count[dat_count$cluster == 4, "artwork"])
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dfg_complete <- process_map(alog,
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type_nodes = frequency("absolute", color_scale = "Greys"),
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sec_nodes = frequency("relative"),
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type_edges = frequency("absolute", color_edges = "#FF6900"),
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sec_edges = frequency("relative"),
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rankdir = "TB",
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render = FALSE)
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export_map(dfg_complete,
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file_name = "../figures/processmaps/dfg_complete_R.pdf",
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file_type = "pdf",
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title = "DFG complete")
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dfg_c1 <- process_map(alog_c1,
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type_nodes = frequency("absolute", color_scale = "Greys"),
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sec_nodes = frequency("relative"),
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type_edges = frequency("absolute", color_edges = "#FF6900"),
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sec_edges = frequency("relative"),
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rankdir = "TB",
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render = FALSE)
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export_map(dfg_c1,
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file_name = "../figures/processmaps/dfg_cluster1_R.pdf",
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file_type = "pdf",
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title = "DFG Cluster 1")
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dfg_c2 <- process_map(alog_c2,
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type_nodes = frequency("absolute", color_scale = "Greys"),
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sec_nodes = frequency("relative"),
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type_edges = frequency("absolute", color_edges = "#FF6900"),
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sec_edges = frequency("relative"),
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rankdir = "TB",
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render = FALSE)
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export_map(dfg_c2,
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file_name = "../figures/processmaps/dfg_cluster2_R.pdf",
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file_type = "pdf",
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title = "DFG Cluster 2")
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dfg_c3 <- process_map(alog_c3,
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type_nodes = frequency("absolute", color_scale = "Greys"),
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sec_nodes = frequency("relative"),
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type_edges = frequency("absolute", color_edges = "#FF6900"),
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sec_edges = frequency("relative"),
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rankdir = "TB",
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render = FALSE)
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export_map(dfg_c3,
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file_name = "../figures/processmaps/dfg_cluster3_R.pdf",
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file_type = "pdf",
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title = "DFG Cluster 3")
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dfg_c4 <- process_map(alog_c4,
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type_nodes = frequency("absolute", color_scale = "Greys"),
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sec_nodes = frequency("relative"),
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type_edges = frequency("absolute", color_edges = "#FF6900"),
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sec_edges = frequency("relative"),
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rankdir = "TB",
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render = FALSE)
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export_map(dfg_c4,
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file_name = "../figures/processmaps/dfg_cluster4_R.pdf",
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file_type = "pdf",
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title = "DFG Cluster 4")
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