Synthesize the given information into one sentence describing the process
A machine learning model is trained with labeled data.
The model is evaluated and tweaked if needed.
A machine learning model is trained with labeled data, evaluated, and tweaked if necessary to improve performance.
Complete the following task based on the instruction and optional input provided.### Instruction:
Synthesize the given information into one sentence describing the process

### Input:
A machine learning model is trained with labeled data.
The model is evaluated and tweaked if needed.

### Output:
A machine learning model is trained with labeled data, evaluated, and tweaked if necessary to improve performance.