why would pca be an example how to tell which direction is pca on the graph is pca useful when using decomposition techniques in the 2d space what kind of technique is pca which is a non orthogonal technique used in statistics? what is non orthogonal technique what is non orthogonal technique is pca an example of orthogonal what is the difference between pca and pca what is pca used for which technique can you use to detect variance in 2d data what is the pca technique do orthogonal methods work what technique can be used predicting variance? what is pca technique what is an alternative technique of pca? what is non orthogonal technique examples what is non orthogonal technique does the pca method use orthogonal decomposition? what is pca technique