ggplot2.barplot is a function, to plot easily bar graphs using R software and ggplot2 plotting methods. This function is from easyGgplot2 package. An R script is available in the next section to install the pac
Bar graphs Line graphs Finished examples With a numeric x-axis With x-axis treated as continuous With x-axis treated as categoricalProblemYou want to do make basic bar or line graphs.SolutionTo make graphs with ggplot2, the data must be in a data frame, and in “long” (as opposed to...
ggplot(pg_mean, aes(x=group, y=weight)) + geom_bar(stat="identity") x轴是连续变量还是因子,画出的图有所不同,这里的group是因子。 str(pg_mean) 'data.frame': 3 obs. of 2 variables: group : Factor w/ 3 levels "ctrl","trt1",..: 1 2 3 #可以看出group是因子group : Factor ...
ggplot(diamonds, aes(x=cut)) + geom_bar(stat="bin") 上面的例子的x轴用的是分类变量,如果用连续变量,则会得到直方图。 ggplot(diamonds, aes(x=price)) + geom_bar(stat="bin") 这时最好用geom_histogram(): ggplot(diamonds, aes(x=price)) + geom_histogram() 3.4. Using Colors in a Bar G...
Stacked Bar ChartThe general plots of bar graphs and histogram can be created as below −> p <- ggplot(mpg, aes(class)) > p + geom_bar() > p + geom_bar() This plot includes all the categories defined in bar graphs with respective class. This plot is called stacked graph....
http://www.cookbook-r.com/Graphs/Plotting_means_and_error_bars_(ggplot2)/ 一、实例1. a<-c("m","n","mn"); b<-c(1,2,3); c<-c(4,6,7); abc<-data.frame(a,b,c); abc; a b c 1 a 1 4 2 b 2 6 3 c 3 7
ggplot(diamonds, aes(x=price)) + geom_histogram() 3.4. Using Colors in a Bar Graph 把计步数据用指定的颜色填充。这里只有11个月,所以造了11种颜色。 ggplot(meanMonthStep, aes(x=month, y=step, fill=month)) + geom_bar(stat="identity", color="black") + ...
dveR <- data.frame(values= c(3.921,3.557,3.793,3.154,2.387,1.906),group = rep(c("Cardia","Anterior","Posterior"),each=2),subgroup = LETTERS[1:2]) ggplot(dveR,aes(x= group,y=values, fill = subgroup)) + geom_bar(stat="identity",position ="dodge") + scale_fill_manual(values=c...
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