BufferGetObs{Array{Float64,1},ObsView{SubArray{Float64,1,Array{Float64,2},Tuple{Base.Slice{Base.OneTo{Int64}},Int64},true},Array{Float64,2},LearnBase.ObsDim.Last}}[BufferGetObs{Array{Float64,1},ObsView{SubArray{Float64,1,Array{Float64,2},Tuple{Slice{OneTo{Int64}},Int64},true},Array{Float64,2},Last}} with 150 elements]