diff --git a/code/11_investigate-variants.R b/code/11_investigate-variants.R
index a585027..44150d6 100644
--- a/code/11_investigate-variants.R
+++ b/code/11_investigate-variants.R
@@ -8,7 +8,7 @@
 # output: ../../thesis/figures/freq-traces.pdf
 #         ../../thesis/figures/freq-traces_powerlaw.pdf
 #
-# last mod: 2024-03-26
+# last mod: 2024-03-30
 
 # setwd("C:/Users/nwickelmaier/Nextcloud/Documents/MDS/2023ss/60100_master_thesis/analysis/code")
 
@@ -68,6 +68,20 @@ legend("topright", paste0("Proportion of traces only occurring once: ",
 
 dev.off()
 
+# Black and white
+pdf("../../thesis/figures/freq-traces_powerlaw_bw.pdf", height = 3.375,
+    width = 3.375, pointsize = 10)
+par(mai = c(.6,.6,.1,.1), mgp = c(2.4, 1, 0))
+
+plot(x, y, log = "xy", xlab = "Absolute Frequency of Traces",
+     ylab = "Frequency", pch = 16, col = rgb(0.3, 0.3, 0.3, 0.5))
+lines(x, pre, col = "#434F4F")
+legend("topright", paste0("Proportion of traces only occurring once: ",
+                          round(tab[1] / nrow(tr), 2)), cex = .7, bty = "n")
+
+dev.off()
+
+
 # Look at individual traces as examples
 tr[trace_varied == 5 & trace_length > 50, ]
 # --> every variant exists only once, of course
@@ -123,6 +137,19 @@ legend("topright", paste0("Proportion of traces only occurring once: ",
 
 dev.off()
 
+# Black and white
+pdf("../../thesis/figures/freq-traces_powerlaw_2019_bw.pdf", height = 3.375,
+    width = 3.375, pointsize = 10)
+par(mai = c(.6,.6,.1,.1), mgp = c(2.4, 1, 0))
+
+plot(x, y, log = "xy", xlab = "Absolute Frequency of Traces",
+     ylab = "Frequency", pch = 16, col = rgb(0.3, 0.3, 0.3, 0.5))
+lines(x, pre, col = "#434F4F")
+legend("topright", paste0("Proportion of traces only occurring once: ",
+                          round(tab[1] / nrow(tr), 2)), cex = .7, bty = "n")
+
+dev.off()
+
 # Look at individual traces as examples
 tr[trace_varied == 5 & trace_length > 50, ]
 # --> every variant exists only once, of course
diff --git a/code/12_dfgs-case-clusters.R b/code/12_dfgs-case-clusters.R
index 574f62c..988070c 100644
--- a/code/12_dfgs-case-clusters.R
+++ b/code/12_dfgs-case-clusters.R
@@ -10,7 +10,7 @@
 #         ../../thesis/figures/dfg_cases_cluster4_R.pdf
 #         ../../thesis/figures/dfg_cases_cluster5_R.pdf
 #
-# last mod: 2024-03-27
+# last mod: 2024-03-30
 
 # setwd("C:/Users/nwickelmaier/Nextcloud/Documents/MDS/2023ss/60100_master_thesis/analysis/code")
 
@@ -79,6 +79,40 @@ for (i in 1:5) {
     file_type = "pdf")
 }
 
+## Black and white
+for (i in 1:5) {
+
+  alog <- bupaR::activitylog(dat[dat$cluster == i, ],
+                             case_id     = "case",
+                             activity_id = "item",
+                             resource_id = "path",
+                             timestamps  = c("start", "complete"))
+  if (i %in% c(4, 5)) {
+
+    dfg <- processmapR::process_map(edeaR::filter_infrequent_flows(alog, min_n = ns[i]),
+      type_nodes = processmapR::frequency("relative", color_scale = "Greys"),
+      sec_nodes  = processmapR::frequency("absolute"),
+      type_edges = processmapR::frequency("relative", color_edges = "black"),
+      sec_edges  = processmapR::frequency("absolute"),
+      render     = FALSE)
+
+  } else {
+
+    dfg <- processmapR::process_map(edeaR::filter_infrequent_flows(alog, min_n = ns[i]),
+      type_nodes = processmapR::frequency("relative", color_scale = "Greys"),
+      sec_nodes  = processmapR::frequency("absolute"),
+      type_edges = processmapR::frequency("relative", color_edges = "black"),
+      sec_edges  = processmapR::frequency("absolute"),
+      rankdir    = "TB",
+      render     = FALSE)
+
+  }
+
+  processmapR::export_map(dfg,
+    file_name = paste0("../../thesis/figures/dfg_cases_cluster_", cl_names[i], "_R_bw.pdf"),
+    file_type = "pdf")
+}
+
 # What data is used and how many traces are unique
 
 tr_unique   <- numeric(5)