<|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: our analysis is based on the data from the survey of doctoral recipients (sdr), conducted by the us national science foundation (nsf). the survey is a common source of analysis used in similar studies. researchers can receive the data directly from nsf at no cost following this link: (http://www.nsf.gov/statistics/license/).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>