Based on my prior knowledge, I can analyze the relationship between the feature "n_r_ecg_p_02" and the presence of chronic heart failure in myocardial infarction complications data.

Generally, frequent premature atrial contractions on ECG can be associated with certain heart conditions, including chronic heart failure. However, it is important to note that the presence of this feature alone may not be sufficient to confirm the presence of chronic heart failure. Other clinical information and diagnostic tests are typically required for a definitive diagnosis.

To generate the dictionary, I will analyze the possible values of the feature "n_r_ecg_p_02" for each target class:

- For the target class "no" (indicating no chronic heart failure), the possible values of the feature "n_r_ecg_p_02" can be any value that indicates the absence of frequent premature atrial contractions on ECG. Therefore, the dictionary value for "no" will include the categories with values 'no'.

- For the target class "yes" (indicating the presence of chronic heart failure), the possible values of the feature "n_r_ecg_p_02" can be any value that indicates the presence of frequent premature atrial contractions on ECG. Therefore, the dictionary value for "yes" will include the categories with values 'yes'.

Based on this analysis, the generated dictionary will be:

```json
{
	"no": ["no"],
	"yes": ["yes"]
}
```