Add a per-sample xpos column for sample data based on grouping
add_sample_xpos(data, group_cols, group_order = NULL)
Arguments
- data
a data.frame with both annotations and gene expression vales
- group_cols
a group_cols list generated by group_columns()
- group_order
an optional vector of group ids for ordering (default is NULL).
Value
a data.frame of data with a column xpos appended.