zhoushuai165 发表于 2013-10-17 19:37 
定义数据集sasuser.qiang_pom3  将数据集sasuser.qiang_pom2复制过来,并保留变量hotel_id customer_id rev ...
就是只将sasuser.qiang_pom2数据集的hotel_id customer_id review_date review_rate_hotel review_rate_cleanreview_rate_service
 review_rate_surrounding review_rate_facility review_has_responsehotel_customer_id
 response_author response_author_rating lag_response_authorlag_response_author_rating lag_response_author_rating2
 lag_after_response字段复制到sasuser.qiang_pom3 吗?“并保留变量”是什么意思?