|
|
|
|
|
Sergio Arciniegas-Alarcón, Marisol García-Peña and Wojtek J. Krzanowski
Several statistical techniques for analyzing data matrices use lower rank approximations to these matrices, for which, in general, the appropriate rank must first be estimated depending on the objective of the study. The estimation can be conducted by cr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sergio Arciniegas-Alarcón, Marisol García-Peña, Camilo Rengifo and Wojtek J. Krzanowski
We describe imputation strategies resistant to outliers, through modifications of the simple imputation method proposed by Krzanowski and assess their performance. The strategies use a robust singular value decomposition, do not depend on distributional ...
ver más
|
|
|
|
|
|