Standard options for creating a Higher Expectations vignette.

Standard options for creating a Higher Expectations vignette.

CHUNK_OPTIONS_FOR_KNITR

Format

a list with 8 elements

`collapse = TRUE`

Try to put all of the source and output from each block into one code chunk.

`warning = FALSE`

Don't show warning messages in the output.

`message = FALSE`

Don't show informational messages in the output.

`comment = "#>"`

Text appended to every outputted line of code.

`cache = TRUE`

Re-use calculations from chunks that have not changed.

`dpi = 96`

Render the graphics in a web-friendly resolution.

`fig.dim = c(width = 7, height = 4)`

Pleasing defaults for figure sizes.

`dev = c("png", "pdf")`

Cache both `png` and `pdf` outputs, but use pngs in the vignette.