[ggplot2] Removed 1 rows containing missing values (geom

Bonjour,

je souhaite avoir dans un seul plot les données de deux data frame, j'ai utilisé la fonction ggplot du package ggplot2 mais j'obtiens une erreur disant:

Code:

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Warning messages:
1: Removed 1 rows containing missing values (geom_point). 
2: Removed 1 rows containing missing values (geom_point).

Code:

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library(ggplot2)
 
A = data.frame(x = rnorm(10),y=rnorm(10))
B = data.frame(x = rnorm(10),y=rnorm(10))
 
scaleMin = min(c(min(A$x), min(B$y)))
scaleMax = max(c(max(A$x), max(B$y)))
 
both <- ggplot(A, aes(x,y)) + 
  geom_point(color='red') +
  geom_point(data=B,colour='blue') +
  geom_abline(intercept = 0, slope = 1, colour = "black") +
  labs(title = "title", subtitle = "sub", x = "X", y="Y") +
  xlim(c(scaleMin, scaleMax)) + ylim(c(scaleMin, scaleMax)) +
  theme(
    axis.title.x = element_text(face="plain", colour="black", size=14), axis.text.x  = element_text(size=13),
    axis.title.y = element_text(face="plain", colour="black", size=14), axis.text.y  = element_text(size=13),
    panel.grid.major = element_blank(), panel.grid.minor = element_blank(),
    panel.background = element_rect(fill = "transparent"),
 
    axis.line = element_line(colour = "black"),
    panel.border = element_rect(colour = "black", fill=NA, size=0.5)
  )
 
both

[ggplot2] Removed 1 rows containing missing values (geom_point)