update: existing example notebooks

examples/skew_histogram.jl

@@ -13,6 +13,8 @@ begin
 	using Tables
 	using DataFrames
 	using Dates
+	using Statistics
+	using Printf
 	using CairoMakie
 end
 
@@ -103,14 +105,26 @@ end
 # ╔═╡ b23f3f63-4c6f-476f-aab8-22069940325e
 let
 	skews = skews_for_each_board.lvds_tx_skew |> skipmissing |> collect
-	stephist(
+	fig, ax, shist = stephist(
 		skews,
-		bins = range(minimum(skews), maximum(skews), step = 1 / 57),
+		bins = range(minimum(skews), maximum(skews), step = 4 / 57),
 		axis = (;
-			title = "skews of latest measurement for each board",
+			title = "skews of the latest measurements for each board",
 			xlabel = "skew / ns",
 		)
 	)
+	Legend(
+		fig[1, 1],
+		[shist,],
+		["n = $(length(skews)), μ = $(@sprintf "%.2g" mean(skews)), σ = $(@sprintf "%.2g" std(skews))",],
+		tellheight = false,
+		tellwidth = false,
+		margin = (10, 10, 10, 10),
+		halign = :left,
+		valign = :top,
+	)
+
+	fig
 end
 
 # ╔═╡ 1306b44d-781f-4948-ba39-734c92dc6b8c
@@ -207,7 +221,9 @@ DBInterface = "a10d1c49-ce27-4219-8d33-6db1a4562965"
 DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 PlutoUI = "7f904dfe-b85e-4ff6-b463-dae2292396a8"
+Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 SQLite = "0aa819cd-b072-5ff4-a722-6bc24af294d9"
+Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 TypedTables = "9d95f2ec-7b3d-5a63-8d20-e2491e220bb9"
 
@@ -227,7 +243,7 @@ PLUTO_MANIFEST_TOML_CONTENTS = """
 
 julia_version = "1.10.5"
 manifest_format = "2.0"
-project_hash = "7b74b76d2fac94a9453c783e4adc8c6725fe2d03"
+project_hash = "520d318d0e1f3d66476b72d20eb4bb96d48f16d8"
 
 [[deps.AbstractFFTs]]
 deps = ["LinearAlgebra"]