How to add line for indicating mean on histogram?

New to Julia
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1

I have this histogram and want to add a vline to show mean value or median value. vline!(some_value). is not working.

image
image713×468 4.12 KB

I get this error.

ERROR: Cannot convert Float64 to series data for plotting
Stacktrace:
  [1] error(s::String)
    @ Base ./error.jl:35
  [2] _prepare_series_data(x::Float64)
    @ RecipesPipeline ~/.julia/packages/RecipesPipeline/BGM3l/src/series.jl:8
  [3] _series_data_vector(x::Float64, plotattributes::Dict{Symbol, Any})
    @ RecipesPipeline ~/.julia/packages/RecipesPipeline/BGM3l/src/series.jl:36
  [4] macro expansion
    @ ~/.julia/packages/RecipesPipeline/BGM3l/src/series.jl:129 [inlined]
  [5] apply_recipe(plotattributes::AbstractDict{Symbol, Any}, #unused#::Type{RecipesPipeline.SliceIt}, x::Any, y::Any, z::Any)
    @ RecipesPipeline ~/.julia/packages/RecipesBase/BRe07/src/RecipesBase.jl:300
  [6] _process_userrecipes!(plt::Any, plotattributes::Any, args::Any)
    @ RecipesPipeline ~/.julia/packages/RecipesPipeline/BGM3l/src/user_recipe.jl:38
  [7] recipe_pipeline!(plt::Any, plotattributes::Any, args::Any)
    @ RecipesPipeline ~/.julia/packages/RecipesPipeline/BGM3l/src/RecipesPipeline.jl:72
  [8] _plot!(plt::Plots.Plot, plotattributes::Any, args::Any)
    @ Plots ~/.julia/packages/Plots/3BCH5/src/plot.jl:223
  [9] plot!(plt::Plots.Plot, args::Any; kw::Base.Pairs{Symbol, V, Tuple{Vararg{Symbol, N}}, NamedTuple{names, T}} where {V, N, names, T<:Tuple{Vararg{Any, N}}})
    @ Plots ~/.julia/packages/Plots/3BCH5/src/plot.jl:213
 [10] plot!(args::Any; kw::Base.Pairs{Symbol, V, Tuple{Vararg{Symbol, N}}, NamedTuple{names, T}} where {V, N, names, T<:Tuple{Vararg{Any, N}}})
    @ Plots ~/.julia/packages/Plots/3BCH5/src/plot.jl:202
 [11] vline!(args::Any; kw::Base.Pairs{Symbol, V, Tuple{Vararg{Symbol, N}}, NamedTuple{names, T}} where {V, N, names, T<:Tuple{Vararg{Any, N}}})
    @ Plots ~/.julia/packages/RecipesBase/BRe07/src/RecipesBase.jl:429
 [12] vline!(args::Any)
    @ Plots ~/.julia/packages/RecipesBase/BRe07/src/RecipesBase.jl:429
 [13] top-level scope
    @ REPL[127]:1```
2

Try

vline!([some_value])

vline and hline want arrays of values if I’m not mistaken.

1 Like
3

Thank you…it works now… :slight_smile: