Make doctest reproducible

TuringLang · Dec 24, 2023 · 1e3e96a · 1e3e96a
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diff --git a/docs/Project.toml b/docs/Project.toml
@@ -7,6 +7,7 @@ Gadfly = "c91e804a-d5a3-530f-b6f0-dfbca275c004"
 MCMCChains = "c7f686f2-ff18-58e9-bc7b-31028e88f75d"
 MLJBase = "a7f614a8-145f-11e9-1d2a-a57a1082229d"
 MLJDecisionTreeInterface = "c6f25543-311c-4c74-83dc-3ea6d1015661"
+StableRNGs = "860ef19b-820b-49d6-a774-d7a799459cd3"
 StatsPlots = "f3b207a7-027a-5e70-b257-86293d7955fd"
 
 [compat]
@@ -18,5 +19,6 @@ Gadfly = "1.3.4"
 MCMCChains = "7"
 MLJBase = "0.19, 0.20, 0.21, 1"
 MLJDecisionTreeInterface = "0.3, 0.4"
+StableRNGs = "1"
 StatsPlots = "0.14, 0.15"
 julia = "1.7"
diff --git a/src/stats.jl b/src/stats.jl
@@ -215,16 +215,18 @@ Note that this will return a single interval and will not return multiple interv
 
 # Examples
 
-```jldoctest; setup = :(using Random; Random.seed!(582))
-julia> val = rand(500, 2, 3);
+```jldoctest
+julia> using StableRNGs; rng = StableRNG(42);
+
+julia> val = rand(rng, 500, 2, 3);
 
 julia> chn = Chains(val, [:a, :b]);
 
 julia> hdi(chn)
 HDI
-      lower  upper
- a  0.0749   0.999
- b  0.00531  0.940
+     lower  upper
+ a  0.0630  0.994
+ b  0.0404  0.968
 ```
 """
 function PosteriorStats.hdi(chn::Chains; prob::Real=0.94, kwargs...)