When using a DMR package, a report containing items from dimensions in different namespaces that are based on the same underlying dimension will result in two distinct dimensions.
使用dmr包时,如果报告包含来自不同命名空间中的维度的项目,而这些命名空间基于相同的底层维度,那么执行报告将导致两个不同维度。
Thetrick in using SVD is in figuring out how many dimensions or"concepts" to use when approximating the matrix.
利用SVD的技巧就是去找到用多少维度(概念)去估计这个矩阵。
Thetrick in using SVD is in figuring out how many dimensions or"concepts" to use when approximating the matrix.
利用SVD的技巧就是去找到用多少维度(概念)去估计这个矩阵。
应用推荐