diff --git a/Project.toml b/Project.toml
index 5345cb8..e4ebed6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MetidaBase"
 uuid = "075456b7-4006-432f-9324-2f8453996c49"
 authors = ["PharmCat <v.s.arnautov@yandex.ru> and contributors"]
-version = "0.1.2"
+version = "0.2.0"
 
 [deps]
 StatsModels = "3eaba693-59b7-5ba5-a881-562e759f1c8d"
diff --git a/src/types.jl b/src/types.jl
index 8c0547d..008a671 100644
--- a/src/types.jl
+++ b/src/types.jl
@@ -33,7 +33,7 @@ end
 Base.first(ds::DataSet) = first(ds.data)
 
 function Base.getindex(ds::DataSet{T}, col::Colon, ind) where T <: AbstractResultData
-    v = Vector{Any}(undef, length(ds))
+    v = Vector{Float64}(undef, length(ds))
     @inbounds for i = 1:length(ds)
         v[i] = getindormiss(ds[i].result, ind)
     end
@@ -44,6 +44,19 @@ function Base.getindex(ds::DataSet{T}, col::Int, ind) where T <: AbstractResultD
     getindormiss(ds[col].result, ind)
 end
 
+function getid(ds::DataSet{T}, col::Colon, ind) where T <: AbstractIdData
+    v = Vector{Any}(undef, length(ds))
+    @inbounds for i = 1:length(ds)
+        v[i] = getindormiss(ds[i].id, ind)
+    end
+    v
+end
+
+function getid(ds::DataSet{T}, col::Int, ind) where T <: AbstractIdData
+    getindormiss(ds[col].id, ind)
+end
+
+
 
 function Base.length(ds::DataSet)
     length(ds.data)