Add filter to jldoctest string

docs/src/examples.md

@@ -510,7 +510,7 @@ julia> round(deviance(gm1), digits=5)
 
 In this example, we choose the best model from a set of λs, based on minimum BIC.
 
-```jldoctest
+```jldoctest; filter = r"(\d*)\.(\d{7})\d+" => s"\1.\2***"
 julia> using GLM, RDatasets, StatsBase, DataFrames, Optim
 
 julia> trees = DataFrame(dataset("datasets", "trees"));