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25 lines
1.3 KiB
25 lines
1.3 KiB
#' Create United States Uniform Cartogram Heatmaps
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#'
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#' The cartogram heatmaps generated by the included methods
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#' are an alternative to choropleth maps for the United States
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#' and are based on work by the Washington Post graphics department in their report
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#' on "The states most threatened by trade"
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#' (<http://www.washingtonpost.com/wp-srv/special/business/states-most-threatened-by-trade/>).
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#' "State bins" preserve as much of the geographic placement of the states as
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#' possible but have the look and feel of a traditional heatmap. Functions are
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#' provided that allow for use of a binned, discrete scale, a continuous scale
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#' or manually specified colors depending on what is needed for the underlying data.
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#'
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#' @md
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#' @name statebins-package
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#' @docType package
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#' @author Bob Rudis (bob@@rud.is)
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#' @importFrom grid unit
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#' @importFrom scales alpha
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#' @importFrom ggplot2 ggplot geom_tile scale_fill_manual guides geom_tile ggplotGrob
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#' @importFrom ggplot2 geom_point geom_text scale_color_manual guides theme labs
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#' @importFrom ggplot2 scale_x_continuous scale_y_continuous coord_equal theme_bw
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#' @importFrom ggplot2 aes element_rect element_blank element_text resolution
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#' @importFrom ggplot2 aes_string aes_ scale_y_reverse layer GeomRect margin %+replace%
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#' @importFrom ggplot2 scale_fill_brewer ggtitle rel ggproto draw_key_polygon Geom Stat
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NULL
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