empty list case of get_statistics_subset
diff --git a/src/bear.erl b/src/bear.erl
index 39111f5..d46aa8a 100644
--- a/src/bear.erl
+++ b/src/bear.erl
@@ -96,7 +96,7 @@
{n, 0}
].
-get_statistics_subset(Values, Items) ->
+get_statistics_subset([_,_,_,_,_|_] = Values, Items) ->
Length = length(Values),
if Length < ?STATS_MIN ->
[I || {K,_} = I <- get_statistics([]),
@@ -112,7 +112,9 @@
end,
report_subset(Items, Length,
SortedValues, Scan_res, Scan_res2)
- end.
+ end;
+get_statistics_subset(Values, Items) when is_list(Values) ->
+ [{Item, 0.0} || Item <- Items].
calc_steps(Items) ->
lists:foldl(fun({I,_},Acc) ->
