116 lines
2.7 KiB
Plaintext
116 lines
2.7 KiB
Plaintext
---
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jupyter: julia-1.9
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---
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# Makie.jl
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## Backends
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Four backends:
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1. `CairoMakie` - SVG
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2. `GLMakie` - 2D/3D/fast interactivity
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3. `WGLMakie` - Same as GLMakie, but in browser
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4. `RPRMakie` - experimental raytracing
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I will use `GLMakie` or `CairoMakie`. To switch use `CairoMakie.activate!()`
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## Layouts for scientific figures
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# Pluto.jl for easy interactivity
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# Grammar of Graphics
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The grammar of graphics is a convenient way to build common explorative plots.
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For example:
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#### For ggplot enthusiasts:
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You could use [TidierPlots.jl - a ggplot clone](https://github.com/TidierOrg/TidierPlots.jl)
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Check out the [../../../../cheatsheets/ggplotAOG.qmd]:
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## AlgebraOfGraphics.jl
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### Loading data
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```{julia}
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using GLMakie # backend
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using AlgebraOfGraphics
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using PalmerPenguins, DataFrames # example dataset
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penguins = dropmissing(DataFrame(PalmerPenguins.load()))
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first(penguins, 6)
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```
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::: callout-note
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A `tidy dataframe` is a dataframe that follows these three rules:
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1. Every column is a variable.
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2. Every row is an observation.
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3. Every cell is a single value.
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Tidy data make your visualization life much easier as you will see!
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:::
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### AoG basics
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`data * mapping * visual`
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```{julia}
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vis_pen = data(penguins) * mapping(:bill_length_mm, :bill_depth_mm) * visual(Scatter)
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draw(vis_pen)
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```
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### Adding color
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```{julia}
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vis_pencolor = data(penguins) * mapping(:bill_length_mm, :bill_depth_mm, color = :species) * visual(Scatter)
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draw(vis_pencolor)
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```
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But that is a bit redundant, you can shortcut this, by reusing existing mappings / inputs:
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```{julia}
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vis_pencolor2 = vis_pen * mapping(color=:species)
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draw(vis_pencolor2)
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```
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### Why `Algebra`OfGraphics?
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Follows some algebraic rules of multiplying out sums
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`data * mapping * (visual(Scatter)+visual(Lines))`
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```{julia}
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data(penguins) * mapping(:bill_length_mm, :bill_depth_mm) * (visual(Scatter)+visual(Lines)) |> draw
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```
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### Faceting
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```{julia}
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data(penguins) * mapping(:bill_length_mm, :bill_depth_mm) * mapping(color = :species, col = :sex) |> draw
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```
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```{julia}
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data(penguins) * mapping(:bill_length_mm, :bill_depth_mm) * mapping(color = :species, col = :sex,row=:body_mass_g => x-> x>3500) |> draw
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```
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### Linear & Non-linear summaries
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```{julia}
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data(penguins) * mapping(:bill_length_mm, :bill_depth_mm, color=:species) * (linear() + visual(Scatter)) |> draw
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```
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```{julia}
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data(penguins) * mapping(:bill_length_mm, :bill_depth_mm, color=:species) * (smooth() + visual(Scatter)) |> draw
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```
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# Interactivity
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With Makie.jl, two ways of interactivity:
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**Observables** - very general way, a little bit more verbose
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**Pluto.jl Sliders** - very simple, need to redraw plot everytime^[it is technically possible t combine Pluto with Observables, but it is a bit buggy] |