Theater questionnair data and BP neural network prediction network

More than 1500 questionnaires were distributed to the three theaters, and a total of 1382 valid questionnaires were collected for this study: 416 in small-scale theater, 478 in medium-scale theater, 488 in large-scale theater.本研究面向三种规模的剧场累计发放超1500份调查问卷，最终回收有效问卷共1382份：其中小型剧场回收416份，中型剧场回收478份，大型剧场回收488份。