diff --git a/triangle_creation_frequency_plots.m b/triangle_creation_frequency_plots.m
new file mode 100644
index 0000000000000000000000000000000000000000..247cd547a4da1eaab8b7ef52b6289bfdd0e3106c
--- /dev/null
+++ b/triangle_creation_frequency_plots.m
@@ -0,0 +1,54 @@
+(* ::Package:: *)
+
+Needs["ErrorBarPlots`"]
+
+
+(* ::Section:: *)
+(*Data import*)
+
+
+gsraw=Import[NotebookDirectory[]<>"data/graphdata_timeevol.m"];
+(* gsraw=SortBy[gsraw,{#[[1,1]]&,#[[1,2]]&}]; (* Sort by n and then by tau. The {} forces a *stable* sort because otherwise Mathematica sorts also on triangle count and other things. *) *)
+
+
+gdata=GatherBy[gsraw,{#[[1,2]]&,#[[1,1]]&}];
+(* Data format: *)
+(* gdata[[ tau index, n index, run index , datatype index ]] *)
+(* datatype index:
+1: {n,tau}
+2: #triangles time sequence
+*)
+nlabels=Map["n = "<>ToString[#]&,gdata[[1,All,1,1,1]]];
+taulabels=Map["tau = "<>ToString[#]&,gdata[[All,1,1,1,2]]];
+
+
+(* ::Section:: *)
+(*Triangle creation frequencies*)
+
+
+(* ::Subsection:: *)
+(*Plot triangle count over "time" in Markov chain instances*)
+
+
+numPlots=20;
+selectedData=gdata[[1,1]][[-numPlots;;-1]];
+measureSkip=1;
+minCount=Min[Map[Min[#[[2]]]&,selectedData]];
+maxCount=Max[Map[Max[#[[2]]]&,selectedData]];
+maxTime=Max[Map[Length[#[[2]]]&,selectedData]];
+(* maxTime=30000; *)
+skipPts=Max[1,Round[maxTime/500]]; (* Plotting every point is slow. Plot only once per `skipPts` timesteps *)
+coarseData=Map[#[[2,1;;maxTime;;skipPts]]&,selectedData];
+labels=Map["{n,tau} = "<>ToString[#[[1]]]&,selectedData];
+ListPlot[coarseData,Joined->True,PlotRange->{0*minCount,maxCount},DataRange->{0,measureSkip*maxTime},PlotLegends->labels]
+(* Map[ListPlot[#,Joined->True,PlotRange\[Rule]{minCount,maxCount},DataRange\[Rule]{0,maxTime}]&,coarseData] *)
+
+
+differences=Map[Differences[#[[2,25000;;-1]]]&,gdata,{3}];
+
+
+(* Take three runs of each *)
+histograms=Map[Histogram[#[[{1,6,11,16}]],{-20,20,1},"LogCount",ImageSize->300]&,differences,{2}];
+
+
+TableForm[histograms,TableHeadings->{taulabels,nlabels}]