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title: histogram2d author: Daniel Jones part: Geometry order: 1004 ...

Bin data in rectangles and indicate density with color. As in heatmaps, etc.

An alias for Geom.rectbin with Stat.histogram2d.

Aesthetics

  • x: Observations to be binned and plotted on the x coordinate.
  • y: Observations to binned and plotted on the y coordinate.

Arguments

  • xbincount: Fix the number of bins in the x coordinate.
  • xminbincount: Set the minimum x coordinate bincount when automatically determining the number of bins.
  • xmaxbincount: Set the maximum x coordinate bincount when automatically determining the number of bins.
  • ybincount: Fix the number of bins in the y coordinate.
  • yminbincount: Set the minimum y coordinate bincount when automatically determining the number of bins.
  • ymaxbincount: Set the maximum y coordinate bincount when automatically determining the number of bin.

Examples

using RDatasets
using Gadfly

Gadfly.set_default_plot_size(14cm, 8cm)

plot(dataset("car", "Womenlf"), x="HIncome", y="Region", Geom.histogram2d)
plot(dataset("car", "UN"), x="GDP", y="InfantMortality",
     Scale.x_log10, Scale.y_log10, Geom.histogram2d)
# Explicitly setting the number of bins
plot(dataset("car", "UN"), x="GDP", y="InfantMortality",
     Scale.x_log10, Scale.y_log10, Geom.histogram2d(xbincount=30, ybincount=30))