डेटासेट में एक मार्जिन जोड़ें

#set margin
delta <- ___

# retain only those points that lie outside the margin
df1 <- df[abs(1.4*df$x1 - df$x2) > delta, ]

#build plot
plot_margins <- ggplot(data = df1, aes(x = x1, y = x2, color = y)) + geom_point() + 
    scale_color_manual(values = c("red", "blue")) + 
    geom_abline(slope = ___, intercept = 0)+
    geom_abline(slope = ___, intercept = ___, linetype = "dashed") +
    geom_abline(slope = ___, intercept = ___, linetype = "dashed")
 
#display plot 
plot_margins