fold change calculation which returns a extensible tibble

fold change calculation which returns a extensible tibble

Usage

stat_fc(
  df,
  y,
  x,
  method = "mean",
  .by = NULL,
  rev_div = FALSE,
  digits = 2,
  fc_fmt = "short",
  suffix = "x"
)

Arguments

df

tibble

y

value

x

sample test group

method

'mean'|'median'|'geom_mean', the summary method

.by

super-group

rev_div

reverse division

digits

fold change digits

fc_fmt

fold change format, one of short, signif, round

suffix

suffix of fold change, x as default

Value

fold change result tibble

Examples

stat_fc(mini_diamond, y = price, x = cut, .by = clarity)
#> # A tibble: 24 × 8
#>    y     clarity group1 group2     y1    y2    fc fc_fmt
#>    <chr> <chr>   <chr>  <chr>   <dbl> <dbl> <dbl> <chr> 
#>  1 price I1      Fair   Good    4695. 2760. 1.70  1.7x  
#>  2 price I1      Fair   Ideal   4695. 4249  1.11  1.1x  
#>  3 price I1      Good   Ideal   2760. 4249  0.649 0.65x 
#>  4 price IF      Fair   Good    2016  1044. 1.93  1.9x  
#>  5 price IF      Fair   Ideal   2016   962. 2.10  2.1x  
#>  6 price IF      Good   Ideal   1044.  962. 1.09  1.1x  
#>  7 price SI1     Fair   Good    5844. 3227. 1.81  1.8x  
#>  8 price SI1     Fair   Ideal   5844. 3877. 1.51  1.5x  
#>  9 price SI1     Good   Ideal   3227. 3877. 0.832 0.83x 
#> 10 price SI2     Fair   Good   13162. 6539. 2.01  2.0x  
#> # ℹ 14 more rows