plot: Decimal point accuracy on the axis

Question

I have two columns of data, X and Y with each entry having 4 places of data after the decimal in both the vectors.

When I make the simple

Answer 1

One option is use axis to customize your labels. Here a comparaion between the same plot using the default axis of plot and using axis function.

op <- par(mfrow = c(2,1))
set.seed(1)
rr <- rnorm(5)
plot(rr, 1:5,  frame.plot = TRUE)
plot(rr, 1:5, axes = FALSE, frame.plot = TRUE)
my.at <- round(rr,4)
axis(1, at = my.at, labels = my.at)