PREL ....................................................................................................................................................................2 1.1 处理连续性数据...................................................................................................................................................2 例1:以健身调查数据示范数据的清理和准 ..........................................................................................................2 关于数据....................................................................................................................................................................................... 2 数据准备和前期处理................................................................................................................................................................... 3 读入 Excel 数据文件.................................................................................................................................................................... 4 定义变量类型............................................................................................................................................................................... 5 处理缺失值................................................................................................................................................................................... 6 定义整体缺失值(global missing value) 并进行成列删除(listwise deletion)............................................................... 6 多元计算(multiple imputation).......................................................................................................................................... 8 插入新变量................................................................................................................................................................................... 9 为新变量赋值..............................................................................................................................................................................11 选择观测对象并产生一个子数据集..........................................................................................................................................12 将 PSF数据集输出为 Excel可读的文件...................................................................................................................................14 数据总览(data screening).......................................................................................................................................................15 计算正态值(normal scores)....................................................................................................................................................17 计算矩阵......................................................................................................................................................................................19 例2:多元回归分 ...................................................................................................................................................20 关于数据......................................................................................................................................................................................20 多元线性回归模型......................................................................................................................................................................21 多元线性回归分析......................................................................................................................................................................21 例3:用美国经济数据构建二阶最小二乘模 ........................................................................................................23 关于数据......................................................................................................................................................................................23 二阶最小二乘数学模型..............................................................................................................................................................24 二阶最小二乘分析......................................................................................................................................................................25 例4 :以心理学数据为例示范探索性因 ......................................................................................................26 关于数据......................................................................................................................................................................................26 探索性因子分析的数学模型......................................................................................................................................................27 探索性因子分析..........................................................................................................................................................................28 参考文献:............................................................................................................................................................................30 中文..............................................................................................................................................................................................30 英文..............................................................................................................................................................................................30 |