Sample-level metadata accompanying [otu_tab].
A `data.frame` with 18 rows (samples) and 2 columns.
Source
Internal example data shipped with ggNetView.
Examples
data(otu_sample)
head(otu_sample)
#> Sample Group
#> 1 KO1 KO
#> 2 KO2 KO
#> 3 KO3 KO
#> 4 KO4 KO
#> 5 KO5 KO
#> 6 KO6 KO