# Multiple Factor Analysis Based on NIPALS Algorithm to Solve Missing Data Problems
## 2 Methods
### Nonlinear Iterative Partial Least Squares
\begin{tabular}{l l} EM & Expectation-maximization algorithm \\ MCA & Multiple correspondence analysis \\ MFA & Multiple factor analysis \\ MFA-NIPALS & Multiple factor analysis with NIPALS \\ MSE & Mean square error \\ NA & Not available data \\ NIPALS & Nonlinear estimation by iterative partial least squares \\ PCA & Principal component analysis \\ PLS & Partial least squares \\ RIMFA & Regularized iterative multiple factor analysis \\ \end{tabular} 

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