Data relating to public procurement criteria in public tendering proceedings in Poland

The data is available in the following XLSX files: 1) Set of unique criteria in Unique criteria.xlsx file, 2) Test dataset matrix in test dataset matrix.xlsx file, 3) Results of Lingo clustering algorithm in Lingo Max top lvl passes 0.xlsx and Lingo Max top lvl passes 4.xlsx files, 4) Results of cosine grouping in cosine 0.6 grouping.xlsx and cosine 0.8 grouping.xlsx files