Based on prior knowledge, the relationship between the ROE (Erythrocyte sedimentation rate) feature and the task of determining if the patient has chronic heart failure can be analyzed as follows:

Chronic heart failure is a condition characterized by the heart's inability to pump blood effectively. The ROE, or erythrocyte sedimentation rate, is a measure of how quickly red blood cells settle in a vertical tube over a specified time period. It is commonly used as a nonspecific marker of inflammation in the body. In the context of chronic heart failure, elevated ROE levels may indicate an underlying inflammatory response related to the condition.

To perform the analysis, we will compare the ROE values for patients who have chronic heart failure (yes) and those who do not (no). By examining the distribution of ROE values in both classes, we can observe any patterns or differences that may exist.

Based on the analysis, the dictionary with the requested format is as follows:

```json
{
	"no": [10.0, 12.5, 13.2, 11.8, 9.7],
	"yes": [15.2, 17.6, 16.3, 18.9, 14.5]
}
```

Note: The provided values are just examples and do not represent actual data. These values are meant to demonstrate the format of the dictionary and may not reflect the true relationship between ROE and chronic heart failure. Actual analysis should be performed on real data to determine the appropriate ranges and values for the ROE feature in relation to chronic heart failure.