how does principal component become irrelevant which principal component is irrelevant what is the pca what is the difference between pc1 and pca is pca irrelevant when does pca become irrelevant why is pc1 irrelevant when pca becomes irrelevant what is the purpose why is pca irrelevant what is pca can you use the first principal component of pca on the data what is pc1 used for in machine learning which principal component in machine learning is irrelevant which pc represents a good discriminator how important is pca when using machine learning which component is not considered to be a discriminator? which is irrelevant to pca how important is pca in data collection what is the principal component of pca which principal component of a decision tree becomes irrelevant