diff --git a/src/utils.jl b/src/utils.jl
index 48af20a7..daac39cf 100644
--- a/src/utils.jl
+++ b/src/utils.jl
@@ -15,3 +15,14 @@ mapt(f, xs::Tuple) = map(x -> mapt(f, x), xs)
 
 convertel(T::Type, xs::AbstractArray) = convert.(T, xs)
 convertel{T}(::Type{T}, xs::AbstractArray{T}) = xs
+
+function accuracy(m, data)
+  n = 0
+  correct = 0
+  for (x, y) in data
+    x, y = tobatch.((x, y))
+    n += size(x, 1)
+    correct += sum(onecold(m(x)) .== onecold(y))
+  end
+  return correct/n
+end