``` r
# Triple check that all three data frames have sample names in the same order
identical(colnames(vsd_lncRNA), colnames(vsd_miRNA))
```

```
## [1] TRUE
```

``` r
identical(colnames(vsd_lncRNA), colnames(vsd_wgbs))
```

```
## [1] TRUE
```

``` r
# Bind (stack dataframes vertically, so that they match by column/sample)
full_pred_counts <- rbind(vsd_lncRNA, vsd_miRNA, vsd_wgbs)

# Transform so that samples are on rows and features are in columns
full_pred_counts <- t(full_pred_counts)

dim(full_pred_counts)
```

```
## [1]    40 16560
```