我有一個這樣的資料框：
A WNT 0.2298387 tumor
B WNT 1.310402 tumor
C WNT -1.0689713 tumor
D WNT -1.8234757 tumor
E WNT -2.4223726 tumor
F WNT 0.2772998 tumor
G Androgen 1.6836632 normal
H Androgen 0.1874877 normal
I Androgen 2.6503196 normal
J Androgen -0.8392165 normal
K Androgen 1.3389321 normal
L Androgen -1.0377083 normal
A PQR 0.686791895 tumor
B PQR 0.941747447 tumor
C PQR 0.168153523 tumor
D PQR 0.647530738 tumor
E PQR 0.970685676 tumor
F PQR 0.201253352 tumor
G XYZ 0.920460621 normal
H XYZ 0.340050347 normal
I XYZ 0.210318777 normal
J XYZ 0.395990146 normal
K XYZ 0.993182658 normal
L XYZ 0.267444063 normal
我想使用 ggplot 來突出顯示一個特定的樣本，讓我們說一個三角形的 G。我試過這個：
ggplot(df, aes(x=Pathway, y=Activity, fill=TissueType))
geom_boxplot(outlier.shape = NA) scale_fill_manual(values = c("#7CCD7C" ,"#D8BFD8"))
geom_point(data = df[which(df$SampleName %like% "G"),], aes(Pathway, Activity, fill = TissueType), fill = '#d51030', color = '#d53010', size=3, shape = 24)
theme_bw()
但是，我無法在中心獲得特定點（它脫離箱線圖），如下所示：
我怎樣才能讓紅色三角形居中？
uj5u.com熱心網友回復：
請讓我知道這是否是您的預期。
ggplot(data, aes(x=Pathway, y=Activity))
geom_boxplot(aes(fill=TissueType)) scale_fill_manual(values = c("#7CCD7C" ,"#D8BFD8"))
geom_point(data = data[which(data$SampleName %like% "G"),],position=position_dodge(width=0.75),aes(group=TissueType), fill = '#d51030', color = '#d53010', size=3, shape = 24)
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