why does pca have an error when calculating a model how many data points are in a pca model how to reduce my data to a linear regression what is aic error when creating a linear regression model what is the correct pca for factor analysis what is the problem with reducing observation data and pca what is the error in the step in factor analysis? is pca reciprocal condition cv when pca is computationally singular what is the function to be able to proceed which condition is a reciprocal condition number what is the error in the step in factor analysis aic is computational singular what is the problem when a factor analysis is not properly applied? what is error in solve.default aic is computational singular what is the aic in pca what is the aic condition how many observations for pca what is the problem with pca when reducing my data, i get the error: system is computationally singular