diff --git a/Project.toml b/Project.toml
index 4a59b38..52e8a97 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 = "0.10.1"
+version = "0.10.2"
 
 [deps]
 CategoricalArrays = "324d7699-5711-5eae-9e2f-1d82baa6b597"
@@ -16,7 +16,7 @@ CPUSummary = "2a0fbf3d-bb9c-48f3-b0a9-814d99fd7ab9"
 
 [compat]
 CategoricalArrays = "0.8, 0.9, 0.10"
-DataFrames = "0.22, 1"
+DataFrames = "1"
 Distributions = "0.20, 0.21, 0.22, 0.23, 0.24, 0.25"
 StatsBase = "0.29, 0.30, 0.31, 0.32, 0.33"
 StatsModels = "0.6"
diff --git a/src/types.jl b/src/types.jl
index 5973ded..1910df8 100644
--- a/src/types.jl
+++ b/src/types.jl
@@ -210,6 +210,9 @@ function Base.getindex(d::DataSet, ind::Int)
     d.ds[ind]
 end
 
+Base.getindex(d::DataSet, inds::UnitRange{Int64}) = subset(d, inds)
+
+
 @inline function getresultindex_safe(rd::T, ind::Symbol) where T <: AbstractResultData
     getindormiss(rd.result, ind)
 end
@@ -350,6 +353,19 @@ function uniqueidlist(d::DataSet{T}, list::Symbol) where T <: AbstractIdData
     end
     dl
 end
+#=
+function uniqueidlist(d::DataSet{T}) where T <: AbstractIdData
+    dl = Vector{Dict}(undef, 0)
+    for i in d
+        id = getid(i)
+        if id ∉ dl push!(dl, id) end
+    end
+    dl
+end
+=#
+function uniqueidlist(::DataSet{T}, ::Nothing) where T <: AbstractIdData
+    nothing
+end
 
 
 function subset(d::DataSet{T}, sort::Dict) where T <: AbstractIdData