dds <- DESeqDataSet(rse_gene, design = ~some_condition) # some_condition is a random name, it is not in the data.
```
It fails with:
```
Error in DESeqDataSet(rse_gene, design = ~some_condition) :
all variables in design formula...must be columns in colData
```
With a plain counts file, I add this column after loading to the data.frame and everything works
