<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: the authors confirm that all data underlying the findings are fully available without restriction. relevant data are available as a zipped supporting information file. there are 16 files in this package. the file named fitness.m is the fitness function of dpso algorithm, and the other 15 files are simulation programs of this experiment.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>