Helpers

Functions

• get-alt-text - Read the alt text stored on a plot spec.
• qnorm - Inverse of the standard-normal cumulative distribution function.
• resolution - Smallest non-zero gap between unique numeric values in values.

Binning helpers

• cut-interval - Cut a numeric vector into n equal-width bins.
• cut-number - Cut a numeric vector into n bins of (approximately) equal count.
• cut-width - Cut a numeric vector into bins of fixed width.

Formatters

• format-comma - Shorthand for format-number(big-mark: ",").
• format-currency - Format a numeric break as currency.
• format-lower - Lower-case a string break (ASCII letters only).
• format-number - Format a numeric break with optional thousands separator and decimals.
• format-percent - Format a numeric break as a percentage.
• format-scientific - Format a numeric break in scientific notation as Typst math.
• format-title - Title-case a string break: capitalise the first letter of each space-separated word.
• format-upper - Upper-case a string break (ASCII letters only).
• format-wrap - Soft-wrap a long string by inserting a newline at word boundaries.

Summary functions

• mean - Mean as a degenerate summary (y, ymin: y, ymax: y).
• mean-cl-boot - Mean with a bootstrap percentile confidence interval.
• mean-cl-normal - Mean with normal-approximation confidence interval.
• mean-sd - Mean and standard-deviation band: mean ± multiplier * sd.
• mean-se - Mean and standard-error band: mean ± multiplier * se.
• median - Median as a degenerate summary (y, ymin: y, ymax: y).
• median-hilow - Median plus a central interval covering conf proportion of the data.
• quantile - Single quantile as a degenerate summary (y, ymin: y, ymax: y).
• quantiles - Three quantiles packed into the standard summary shape.
• summarise - Look up a summary helper by name, or invoke a user-supplied callable.