R中的ggparied图(看不到所有成对的线) [英] ggparied plot in R (don't see all the paired lines)

问题描述

我有一个数据框，如下所示:

I have a dataframe as follows:

我想将ggpaired用于配对比较.我的R代码如下:

I want to apply ggpaired for paired comparison. My R code is as follows:

Data$State<-factor(Data$State, levels = c("PDSS", "MSDD","HCP"))
Data$Condition<-factor(Data$Condition, levels = c("SM", "DM"))
ggpaired(Data, x =  "Condition", y = "Value",color = "Condition",line.color = "grey", line.size = 0.4, palette = "jco",facet.by = "State", short.panel.labs = FALSE)

我收到如下错误: geom_path:每个组仅包含一个观察值.您是否需要调整组的审美?

我的输出文件如下所示.

My output file looks like this.

我应该如何拥有所有配对的线?非常感谢您的帮助！

How should I have all the paired lines? Any help is highly appreciated!

谢谢，Vrutang

Thanks, Vrutang

推荐答案

您试图链接成对的数据点，并且需要一些标识才能为每对配对.您的数据集缺少标识变量.变量ID被添加到数据集中:

You were trying to link pairs of data points and it requires some identification to link by for each pair. Your data set is missing an identification variable. A variable ID is added into the data set:

> str(Data)
'data.frame':   44 obs. of  4 variables:
 $ State    : Factor w/ 3 levels "PDSS","MSDD",..: 3 3 3 3 3 3 3 2 2 2 ...
 $ Condition: Factor w/ 2 levels "SM","DM": 1 1 1 1 1 1 1 1 1 1 ...
 $ Value    : num  0.91 1.24 1.02 1.29 1.38 1.51 1.18 0.88 1.18 0.96 ...
 $ ID       : int  1 2 3 4 5 6 7 8 9 10 ...

然后，您要做的就是在 ggpaired 语句中添加 id = option ，如下所示:

Then, all you need to do is to add an id = option within the ggpaired statement, as follows:

ggpaired(Data, x =  "Condition", y = "Value",color = "Condition",
     line.color = "grey", line.size = 0.4, palette = "jco", id = "ID", 
     facet.by = "State", short.panel.labs = FALSE)

结果:

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