{'fraction_non_alphanumeric': 0.016624040920716114, 'fraction_numerical': 0.0038363171355498722, 'mean_word_length': 5.471074380165289, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 1, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Science and Technology Books on Demand: A Decade of Patron-Driven Collection Development, Part 2

The Purdue University Libraries have been participating in a patron-driven collection development project for 10 years. This analysis focuses on the books purchased in the science and technology areas. The author found that the books were appropriate and in many cases identified emerging or interdisciplinary topics that might have been missed by librarians. In addition, data proved to be a rich source of information for collecting, such as identifying publishers or emerging areas that warranted further attention from selectors. Although not replacing librarians as the major collection developers, patron-driven selection is one successful way to augment collection development.