Round numbers in a table, each column to appropriate number of significant digits
Source:R/table_signif.R
      table_signif.RdRound numbers in a table, each column to appropriate number of significant digits
See also
table_signif_round_x100() table_signif() table_round() table_x100()
Examples
out <- testoutput_ejamit_10pts_1miles
mytable <- out$results_bysite[1:2, ..names_these]
table_signif_round_x100(mytable)
# same as this:
table_signif(
  table_round(
    table_x100(
      mytable, names_pct_as_fraction_ejamit
    )
  )
)