This is an example for an experiment run on Office-Home (Ar->Cl).

## train source model
```
python train_src.py configs/office_home/src_A/train_src_A.py
```

## train BETA
```
python train_beta.py ./configs/office_home/src_A/beta_C.py --load ./checkpoints/office_home/src_A/train_src_A/best_val.pth
python finetune.py ./configs/office_home/src_A/finetune_tgt_C.py --load ./checkpoints/office_home/src_A/beta_C/last.pth
```