Isbn: 9787565836589 - 农业经济调查数据的缺失值处理：模型和方法 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2019-01-01 Pages: 208 Language: Chinese Publisher: Shantou University Press Any survey will have missing value problems. and the agricultural economic survey is no exception. In practice. most researchers in agricultural economic management ignore this problem. Handling Missing Values ??of Agricultural Economic Survey Data: Models and Methods in .…