<|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: experimental data (referenced in s2 table) are publicly available from boeckmann et al. (boeckmann et al, 1994) and can be found as theoph data frame in the open source software package r.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>