Show F-statistic for regression models

Author: OndrejSlamecka

src/statsmodel.jl

@@ -190,9 +190,17 @@ function Base.show(io::IO, model::TableModels)
         println(io)
         println(io,"Coefficients:")
         println(io, ct)
+        println(io)
+        println("R²: ", round(r2(model), sigdigits=4))
         if model isa TableRegressionModel
-            println(io)
-            println("R²: ", round(r2(model), sigdigits=4))
+            try
+                fstat = fstatistic(model)
+                println(io, fstat)
+            catch e
+                if !(isa(e, MethodError) && e.f == fstatistic)
+                    rethrow(e)
+                end
+            end
         end
     catch e
         if isa(e, ErrorException) && occursin("coeftable is not defined", e.msg)
@@ -202,3 +210,5 @@ function Base.show(io::IO, model::TableModels)
         end
     end
 end
+
+fstatistic(m::TableRegressionModel) = fstatistic(m.model)