Check the Altair installation

Provides feedback on any differences between your installed version of Altair and the version this package supports.

check_altair(quiet = FALSE)

Arguments

quiet

logical, if TRUE, suppresses message upon successful check

Value

invisible NULL, called for side-effects

Details

If the supported Altair version is different from your installed version, this function will act according to where the difference in the version numbers:

• major version leads to an error

• minor version leads to a warning

• patch version leads to a message

If there is no difference:

• quiet = FALSE, success message showing version-numbers

• quiet = TRUE, no message

To install the supported version into a Python environment called "r-reticulate", use install_altair().

See also

reticulate::py_config(), install_altair(), altair_version()

Examples

if (FALSE) {
  # not run because it requires Python
  check_altair()
}