Cannot group by variable with marginalkde

[itsdfish]

MWE

using DataFrames, StatsPlots
n = 1000
df = DataFrame(condition = rand(1:2, n), x = rand(n), y = rand(n))
@df df marginalkde(:x, :y, group=:condition, layout=2)

Error Message

@df df marginalkde(:x, :y, group=:condition, layout=2)
ERROR: BoundsError: attempt to access 256-element Vector{Float64} at index [[2, 3, 4, 5, 8, 11, 12, 14, 16, 17  …  982, 985, 986, 987, 992, 993, 994, 995, 999, 1000]]
Stacktrace:
  [1] throw_boundserror(A::Vector{Float64}, I::Tuple{Vector{Int64}})
    @ Base ./abstractarray.jl:691
  [2] checkbounds
    @ ./abstractarray.jl:656 [inlined]
  [3] _getindex
    @ ./multidimensional.jl:838 [inlined]
  [4] getindex
    @ ./abstractarray.jl:1218 [inlined]
  [5] filter_data(v::Vector{Float64}, idxfilter::Vector{Int64})
    @ RecipesPipeline ~/.julia/packages/RecipesPipeline/F2mWY/src/group.jl:50
  [6] filter_data!(plotattributes::Dict{Symbol, Any}, idxfilter::Vector{Int64})
    @ RecipesPipeline ~/.julia/packages/RecipesPipeline/F2mWY/src/group.jl:55
  [7] _filter_input_data!(plotattributes::Dict{Symbol, Any})
    @ RecipesPipeline ~/.julia/packages/RecipesPipeline/F2mWY/src/group.jl:62
  [8] _finish_userrecipe!(plt::Plots.Plot{Plots.GRBackend}, kw_list::Vector{Dict{Symbol, Any}}, recipedata::RecipeData)
    @ RecipesPipeline ~/.julia/packages/RecipesPipeline/F2mWY/src/user_recipe.jl:104
  [9] _process_userrecipes!(plt::Any, plotattributes::Any, args::Any)
    @ RecipesPipeline ~/.julia/packages/RecipesPipeline/F2mWY/src/user_recipe.jl:34
 [10] recipe_pipeline!(plt::Any, plotattributes::Any, args::Any)
    @ RecipesPipeline ~/.julia/packages/RecipesPipeline/F2mWY/src/RecipesPipeline.jl:70
 [11] _plot!(plt::Plots.Plot, plotattributes::Any, args::Any)
    @ Plots ~/.julia/packages/Plots/lW9ll/src/plot.jl:209
 [12] #plot#145
    @ ~/.julia/packages/Plots/lW9ll/src/plot.jl:91 [inlined]
 [13] marginalkde(::Vector{Float64}, ::Vararg{Vector{Float64}}; kw::Base.Pairs{Symbol, Any, Tuple{Symbol, Symbol}, NamedTuple{(:group, :layout), Tuple{Vector{Int64}, Int64}}})
    @ StatsPlots ~/.julia/packages/RecipesBase/qpxEX/src/RecipesBase.jl:364
 [14] add_label(::Vector{String}, ::Function, ::Vector{Float64}, ::Vararg{Vector{Float64}}; kwargs::Base.Pairs{Symbol, Any, Tuple{Symbol, Symbol}, NamedTuple{(:group, :layout), Tuple{Vector{Int64}, Int64}}})
    @ StatsPlots ~/.julia/packages/StatsPlots/8DjQs/src/df.jl:153
 [15] (::var"#175#176")(485::DataFrame)
    @ Main ./none:0
 [16] top-level scope
    @ Untitled-1:5

Version

Julia 1.7.4
StatsPlots 0.15.1