Estimates a Dynamic Factor Model (DFM) when only one block is present, using Principal Component Analysis (PCA).
single_block(data, r)A list with elements:
Matrix of estimated factors.
Matrix of factor loadings.
Matrix of residuals.
Matrix of fitted values.
Method used for factor extraction ("PCA").
Number of iterations before convergence (always 0 for single block).
List of estimated factors for each node.
A numeric matrix or data frame containing the time series data (T × N).
Integer. Number of factors to extract.