geom_crossbar产生一个不适当的y尺度的情节 [英] geom_crossbar produces a plot with inappropriate y scale

问题描述

如果不附上剧情图片，很难描述我的问题。我有两组数据，其中一组有两个观察值，平均值约为1，误差约为1.5;另一个有两个观察值，平均值在30左右，误差在2左右。

但是在图中，柱线重叠，y轴刻度标记失序： p>

0; 0.1; 1; 1.7; 2; 27.8; 29.3; 29.8; 3.2; 31.3; 31.8; 33.3

数据和代码（dataframe my.data）：

  my.data < - 结构（列表（factor1 =结构（c（1L，1L，2L，2L），。标签= c（oil1，oil2），class =factor），因子2 =结构c（1L，2L，1L，2L），.Label = c（prod1，prod2），class =factor），value = c（1.7,1,29.8,31.3），err = c ，1，2，2），min = c（0.2,0,27.8,29.3），max = c（3.2,2,31.8,33.3）），.Name = c（factor1，factor2，value （1，2，3，4））
 
＃图
 p1 < -  ggplot（data = my.data，aes（x = factor2，fill = factor1））
 p2 < -  p1 + geom_crossbar（aes（y = value ，ymin = min，ymax = max），position = position_dodge（width = 0.66），width = 0.6）
 p2 
  

我会大大提供帮助，现在我已经坚持了两天。

解决方案

使用你的数据和你的脚本，我得到：

It is difficult to describe my problem without attaching an image of the plot. I have two groups of data, one with two observations having mean around 1 and error around 1.5; the other has two observations with mean around 30 and error around 2.

But in the plot the bars overlap and the y-axis tick marks are out of order:

0; 0.1; 1; 1.7; 2; 27.8; 29.3; 29.8; 3.2; 31.3; 31.8; 33.3

Data and code (dataframe my.data):

my.data <- structure(list(factor1 = structure(c(1L, 1L, 2L, 2L), .Label = c("oil1", "oil2"), class = "factor"), factor2 = structure(c(1L, 2L, 1L, 2L), .Label = c("prod1", "prod2"), class = "factor"), value = c(1.7, 1, 29.8, 31.3), err = c(1.5, 1, 2, 2), min = c(0.2, 0, 27.8, 29.3), max = c(3.2, 2, 31.8, 33.3)), .Names = c("factor1", "factor2", "value", "err", "min", "max"), class = "data.frame", row.names = c("1", "2", "3", "4"))

    # Plots
      p1 <- ggplot(data=my.data, aes(x=factor2, fill=factor1))
      p2 <- p1 + geom_crossbar(aes(y=value, ymin=min, ymax=max), position = position_dodge(width = 0.66), width=0.6)
      p2

I would greatly apreciate help on this, I have been stuck on it for two days now. Thanks in advance.

解决方案

Using your data and your script I get:

这篇关于geom_crossbar产生一个不适当的y尺度的情节的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！