diff --git a/examples/skew_histogram.jl b/examples/skew_histogram.jl
index 81376ef..a5ef8f4 100644
--- a/examples/skew_histogram.jl
+++ b/examples/skew_histogram.jl
@@ -87,17 +87,17 @@ md"""
 skews_for_each_board = combine(groupby(single_run_result, :psboard_id)) do sdf
 	if all(ismissing, sdf.lvds_tx_skew)
 		if any(>(Date(now()) - Day(1)), sdf.run_timestamp)
-			return (; lvds_tx_skew = missing)
+			return (; lvds_tx_skew = missing, position = missing)
 		end
 		@info "all skew is missing" sdf sdf.result_note
 	end
-	skew = if nrow(sdf) == 1
-		sdf[1, :lvds_tx_skew]
+	row = if nrow(sdf) == 1
+		sdf[1, :]
 	else
-		sdf[argmax(sdf.run_timestamp), :lvds_tx_skew]
+		sdf[argmax(sdf.run_timestamp), :]
 	end
 	# @info "" sdf Tables.schema(sdf) names(sdf)
-	(; lvds_tx_skew = skew)
+	(; lvds_tx_skew = row.lvds_tx_skew, position = row.position)
 end
 
 # ╔═╡ b23f3f63-4c6f-476f-aab8-22069940325e
@@ -172,6 +172,30 @@ This passes the single run because the first and last line satisfy criteria.
 But of course this should not be passed.
 """
 
+# ╔═╡ 8c9e18cb-236f-4b57-97ea-323ac4f962d9
+md"""
+# Dependency on positions
+"""
+
+# ╔═╡ d4f56ef7-9aa4-4d33-bce4-ae29910607c4
+pos_id_map = map(enumerate("B-$i-$j" for i in 0:1 for j in 1:9)) do (i, s)
+	s => i
+end |> Dict
+
+# ╔═╡ d2430bd9-bd01-43dc-83f4-82c905f5a410
+let
+	df = dropmissing(skews_for_each_board)
+	rainclouds(
+		df.position .|> passmissing(p -> pos_id_map[p]),
+		df.lvds_tx_skew,
+		axis = (;
+			title = "skew position dependency",
+			xticks = (values(pos_id_map) |> collect, keys(pos_id_map) |> collect),
+			xticklabelrotation = π / 2,
+		)
+	)
+end
+
 # ╔═╡ 00000000-0000-0000-0000-000000000001
 PLUTO_PROJECT_TOML_CONTENTS = """
 [deps]
@@ -1763,5 +1787,8 @@ version = "3.6.0+0"
 # ╠═6a791331-a896-462e-90c3-1eea3d72e0db
 # ╠═2e47c2b0-4568-4ac2-9926-239de48b0ca3
 # ╟─099fae93-0fe6-40f1-bdc5-d23738f3f854
+# ╠═8c9e18cb-236f-4b57-97ea-323ac4f962d9
+# ╠═d4f56ef7-9aa4-4d33-bce4-ae29910607c4
+# ╠═d2430bd9-bd01-43dc-83f4-82c905f5a410
 # ╟─00000000-0000-0000-0000-000000000001
 # ╟─00000000-0000-0000-0000-000000000002