View source: R/add_grid_rect_xy.R
add_grid_rect_xy | R Documentation |
This function adds a regular grid to a plot at positions specified by x
and y
vectors. This function differs from grid
in which the user can specify the number of cells in each direction, but not their positions.
add_grid_rect_xy(x, y, col = "lightgrey", lwd = 1, lty = 3, ...)
x |
The x coordinates of the grid lines. |
y |
The y coordinates of the grid lines. |
col |
A numeric or character input specifying the colour of the grid lines. |
lwd |
A number specifying the thickness of the grid lines. |
lty |
A numeric or character input specifying the line type. |
... |
Other graphical parameters passed to |
The function adds a grid to a plot.
Edward Lavender
#### Example (1)
# Plot some example data and hide axes for neatness
set.seed(1)
plot(runif(100, 0, 10), runif(100, 5, 25), xlim = c(0, 10), ylim = c(5, 25), axes = FALSE)
# Add grid at user-specified positions to aid interpretation
add_grid_rect_xy(seq(0, 10, by = 2), seq(5, 25, by = 5))
# Add axes at the end for neatness
axis(side = 1, seq(0, 10, by = 2), pos = 5); axis(side = 2, seq(5, 25, by = 5), pos = 0)
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