Usage
    add_totals_row(dat, fill = "-", na.rm = TRUE)
 
     
    
    Arguments
- dat
 
an input data.frame with at least one numeric column.
 
- fill
 
if there are more than one non-numeric columns, what string should fill the bottom row of those columns?
 
- na.rm
 
should missing values (including NaN) be omitted from the calculations?
 
 
    
    Value
    Returns a data.frame with a totals row, consisting of "Total" in the first column and column sums in the others.