Make a heat_cal object

make_heatcal(
  reference_tbl = NULL,
  dataitem_tbl = NULL,
  site = NULL,
  date_boundaries = NULL,
  max_limit = NULL
)

Arguments

reference_tbl	reference table produced from `make_reference`
dataitem_tbl	an extracted dataitem from `extract`
site	character string of hospital site to plot
date_boundaries	character vector of format YYYY-MM-DD (or something that is parsable by `lubridate::ymd`) defining the start and end dates of the calendar. If nothing is supplied, this is derrived from the data
max_limit	the upper bound for determining colour scale. This is useful if you have extreme outliers to enable good constrast over the range of interest

an object of class heat_cal. Returns `FALSE` if the site is not found in the data