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Merge pull request #1037 from mkborregaard/hist-description

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changes default histogram bins
This commit is contained in:
Michael Krabbe Borregaard 2017-09-01 13:20:12 +02:00 committed by GitHub
commit 73a2839e34
2 changed files with 7 additions and 5 deletions
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4
src/arg_desc.jl
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@ -21,7 +21,7 @@ const _arg_desc = KW(
:markerstrokewidth => "Number. Width of the marker stroke (border. in pixels)",
:markerstrokecolor => "Color Type. Color of the marker stroke (border). `:match` will take the value from `:foreground_color_subplot`.",
:markerstrokealpha => "Number in [0,1]. The alpha/opacity override for the marker stroke (border). `nothing` (the default) means it will take the alpha value of markerstrokecolor.",
:bins => "Integer, NTuple{2,Integer}, AbstractVector or Symbol. Default is :auto. For histogram-types, defines the approximate number of bins to aim for, or the auto-binning algorithm to use (:sturges, :sqrt, :rice, :scott or :fd). For fine-grained control pass a Vector of break values, e.g. `linspace(extrema(x)..., 25)`",
:bins => "Integer, NTuple{2,Integer}, AbstractVector or Symbol. Default is :auto (the Freedman-Diaconis rule). For histogram-types, defines the approximate number of bins to aim for, or the auto-binning algorithm to use (:sturges, :sqrt, :rice, :scott or :fd). For fine-grained control pass a Vector of break values, e.g. `linspace(extrema(x)..., 25)`",
:smooth => "Bool. Add a regression line?",
:group => "AbstractVector. Data is split into a separate series, one for each unique value in `group`.",
:x => "Various. Input data. First Dimension",
@ -40,7 +40,7 @@ const _arg_desc = KW(
:ribbon => "Number or AbstractVector. Creates a fillrange around the data points.",
:quiver => "AbstractVector or 2-Tuple of vectors. The directional vectors U,V which specify velocity/gradient vectors for a quiver plot.",
:arrow => "nothing (no arrows), Bool (if true, default arrows), Arrow object, or arg(s) that could be style or head length/widths. Defines arrowheads that should be displayed at the end of path line segments (just before a NaN and the last non-NaN point). Used in quiverplot, streamplot, or similar.",
:normalize => "Bool or Symbol. Histogram normalization mode. Possible values are: false/:none (no normalization, default), true/:pdf (normalize to a PDF with integral of 1) and :density (only normalize in respect to bin sizes).",
:normalize => "Bool or Symbol. Histogram normalization mode. Possible values are: false/:none (no normalization, default), true/:pdf (normalize to a discrete Probability Density Function, where the total area of the bins is 1), :probability (bin heights sum to 1) and :density (the area of each bin, rather than the height, is equal to the counts - useful for uneven bin sizes).",
:weights => "AbstractVector. Used in histogram types for weighted counts.",
:contours => "Bool. Add contours to the side-grids of 3D plots? Used in surface/wireframe.",
:match_dimensions => "Bool. For heatmap types... should the first dimension of a matrix (rows) correspond to the first dimension of the plot (x-axis)? The default is false, which matches the behavior of Matplotlib, Plotly, and others. Note: when passing a function for z, the function should still map `(x,y) -> z`.",

8
src/recipes.jl
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@ -510,8 +510,10 @@ function _auto_binning_nbins{N}(vs::NTuple{N,AbstractVector}, dim::Integer; mode
v = vs[dim]
if mode == :auto
30
elseif mode == :sqrt # Square-root choice
mode = :fd
end
if mode == :sqrt # Square-root choice
_cl(sqrt(n))
elseif mode == :sturges # Sturges' formula
_cl(log2(n)) + 1
@ -550,7 +552,7 @@ end
@recipe function f(::Type{Val{:histogram}}, x, y, z)
seriestype := :barhist
seriestype := length(y) > 1e6 ? :stephist : :barhist
()
end
@deps histogram barhist