facet_wrap_paginate

0th

Percentile

Split facet_wrap over multiple plots

This extension to facet_wrap will allow you to split a facetted plot over multiple pages. You define a number of rows and columns per page as well as the page number to plot, and the function will automatically only plot the correct panels. Usually this will be put in a loop to render all pages one by one.

Usage
facet_wrap_paginate(facets, nrow = NULL, ncol = NULL, scales = "fixed", shrink = TRUE, labeller = "label_value", as.table = TRUE, switch = NULL, drop = TRUE, dir = "h", strip.position = "top", page = 1)
Arguments
facets
Either a formula or character vector. Use either a one sided formula, ~a + b, or a character vector, c("a", "b").
nrow
Number of rows and columns.
ncol
Number of rows and columns
scales
should Scales be fixed ("fixed", the default), free ("free"), or free in one dimension ("free_x", "free_y").
shrink
If TRUE, will shrink scales to fit output of statistics, not raw data. If FALSE, will be range of raw data before statistical summary.
labeller
A function that takes one data frame of labels and returns a list or data frame of character vectors. Each input column corresponds to one factor. Thus there will be more than one with formulae of the type ~cyl + am. Each output column gets displayed as one separate line in the strip label. This function should inherit from the "labeller" S3 class for compatibility with labeller(). See label_value for more details and pointers to other options.
as.table
If TRUE, the default, the facets are laid out like a table with highest values at the bottom-right. If FALSE, the facets are laid out like a plot with the highest value at the top-right.
switch
By default, the labels are displayed on the top and right of the plot. If "x", the top labels will be displayed to the bottom. If "y", the right-hand side labels will be displayed to the left. Can also be set to "both".
drop
If TRUE, the default, all factor levels not used in the data will automatically be dropped. If FALSE, all factor levels will be shown, regardless of whether or not they appear in the data.
dir
Direction: either "h" for horizontal, the default, or "v", for vertical.
strip.position
By default, the labels are displayed on the top of the plot. Using strip.position it is possible to place the labels on either of the four sides by setting strip.position = c("top", "bottom", "left", "right")
page
The page to draw
Note

If either ncol or nrow is NULL this function will fall back to the standard facet_wrap functionality.

See Also

Other ggforce.facets: facet_grid_paginate, facet_zoom

Aliases
  • facet_wrap_paginate
Examples
# Calculate the number of pages with 9 panels per page
n_pages <- ceiling(
  length(levels(diamonds$cut)) * length(levels(diamonds$clarity)) / 9
)

# Draw each page
for (i in seq_len(n_pages)) {
  ggplot(diamonds) +
    geom_point(aes(carat, price), alpha = 0.1) +
    facet_wrap_paginate(~cut:clarity, ncol = 3, nrow = 3, page = i)
}

Documentation reproduced from package ggforce, version 0.1.1, License: GPL (>= 2)

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