State of Elixir 2024 Results

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# State of Elixir 2024 Results

```elixir
Mix.install([
  {:kino, "~> 0.11.0"},
  {:kino_vega_lite, "~> 0.1.10"},
  {:kino_explorer, "~> 0.1.11"},
  {:jason, "~> 1.4"}
])
```

## Table of contents

```elixir
require Kino.RPC
node = String.to_atom(System.fetch_env!("LB_SERVER_NAME"))
Node.set_cookie(node, String.to_atom(System.fetch_env!("LB_SERVER_COOKIE")))

results =
  Kino.RPC.eval_string(
    node,
    ~S"""
    alias StateOfElixir.{Repo, Response}

    Response
    |> Repo.all()
    |> Enum.map(&Map.from_struct/1)
    |> Enum.map(&Map.filter(&1, fn {key, _} -> key != :request_metadata end))
    """,
    file: __ENV__.file
  )

:results_loaded
```

```elixir
# Kino.Download.new(
#   fn -> :binary.list_to_bin(results) end,
#   filename: "results.bin",
#   label: "Binary results data"
# )

Jason.encode!(results)
```

```elixir
VegaLite.new(width: 600, title: "Number of survey responses")
|> VegaLite.data_from_values(results, only: ["inserted_at"])
|> VegaLite.mark(:point)
|> VegaLite.encode_field(:x, "inserted_at", type: :temporal)
|> VegaLite.encode(:y, aggregate: :count)
```

```elixir
countries = Enum.map(results, &%{country: &1.user_answers.country})

VegaLite.new(width: 300)
|> VegaLite.data_from_values(countries, only: ["country"])
|> VegaLite.mark(:bar)
|> VegaLite.encode_field(:x, "country", type: :nominal)
|> VegaLite.encode(:y, aggregate: :count)
|> VegaLite.encode_field(:color, "country", type: :nominal)
```

```elixir
gender = Enum.map(results, &%{gender: &1.user_answers.gender})

VegaLite.new(width: 300, title: "Gender")
|> VegaLite.data_from_values(gender, only: ["gender"])
|> VegaLite.mark(:bar)
|> VegaLite.encode_field(:x, "gender", type: :nominal)
|> VegaLite.encode(:y, aggregate: :count)
|> VegaLite.encode_field(:color, "gender", type: :nominal)
```