ggplot(mpg, aes(x = class, fill = class)) + geom_bar() + scale_fill_brewer(palette ...
(colours, group = FALSE) grad_grouped <- linearGradient(colours, group = TRUE) ungroup <- ggplot(mpg, aes(factor(cyl))) + geom_bar(fill = grad_ungroup) + labs(title = "Ungrouped gradient") grouped <- ggplot(mpg, aes(factor(cyl))) + geom_bar(fill = grad_grouped) + labs(title ...
单一颜色填充:使用fill参数设置单一颜色填充。例如,geom_bar(fill = "blue")将柱状图的填充颜色设置为蓝色。 渐变填充:使用scale_fill_gradient()函数设置渐变填充。该函数可以根据数值变化自动为图形添加渐变色。例如,scale_fill_gradient(low = "blue", high = "red")将填充颜色从蓝色渐变到红色。
geom_col(aes(fill=names0))+ #绘制柱状图,相当于geom_bar(stat="identity") scale_fill_brewer(palette = "Set2")+#对柱的填充颜色进行调整 theme_bw() #采用一个简单主题 #纹理柱状图 library(ggpattern) ggplot(data=data_bar_one,aes(x=types,y=disp))+ ggpattern::geom_col_pattern(aes(fill=names...
pattern_density = 0.35, pattern_key_scale_factor = 1.3) + theme_bw() + labs( title = "ggpattern::geom_col_pattern()", subtitle = 'geometry-based patterns' ) + scale_pattern_fill_manual(values = c(a='blue', b='red', c='yellow', d='darkgreen')) + ...
black", size=.5, fill = "transparent")+geom_bar(data=...
ggplot(diamonds)+geom_bar(aes(x=clarity, fill=cut)) 2.4 统计变换(Statistics) ggplot2提供了多种统计变换方式,此处介绍两种较常用的。 stat_summary 要求数据源的y能够被分组,每组不止一个元素, 或增加一个分组映射,即aes(x= , y = , group = ) ...
> ls("package:ggplot2", pattern="^scale_fill.+") [1] "scale_fill_binned" "scale_fill_brewer" "scale_fill_continuous" "scale_fill_date" "scale_fill_datetime" [6] "scale_fill_discrete" "scale_fill_distiller" "scale_fill_fermenter" "scale_fill_...
ls("package:ggplot2", pattern="^draw_key_.+") ## [1] "draw_key_abline" "draw_key_blank" "draw_key_boxplot" "draw_key_crossbar" ## [5] "draw_key_dotplot" "draw_key_label" "draw_key_path" "draw_key_point" ## [9] "draw_key_pointrange" "draw_key_polygon" "draw_key_re...
geom_crossbargeom_crossbar_pattern geom_densitygeom_density_pattern geom_histogramgeom_histogram_pattern geom_mapgeom_map_pattern geom_polygongeom_polygon_pattern geom_rectgeom_rect_pattern geom_ribbongeom_ribbon_pattern geom_sfgeom_sf_pattern