condformat_tbl object is a data frame with attributes regarding
the formatting of their cells, that can be viewed when the
object is printed.
A matrix or data.frame
The condformat_tbl object. This object can be piped to apply conditional formatting rules. It can also be used as a conventional data frame.
The condformat_tbl print method generates an htmlTable, to be viewed using RStudio Viewer or an HTML browser, as available.