A collection of functions for left-censored missing data imputation. Left-censoring is a special case of missing not at random (MNAR) mechanism that generates non-responses in proteomics experiments. The package also contains functions to artificially generate peptide/protein expression data (log-transformed) as random draws from a multivariate Gaussian distribution as well as a function to generate missing data (both randomly and non-randomly). For comparison reasons, the package also contains several wrapper functions for the imputation of non-responses that are missing at random. * New functionality has been added: a hybrid method that allows the imputation of missing values in a more complex scenario where the missing data are both MAR and MNAR.
Package details |
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Author | Cosmin Lazar [aut], Thomas Burger [aut], Samuel Wieczorek [cre, ctb] |
Maintainer | Samuel Wieczorek <samuel.wieczorek@cea.fr> |
License | GPL (>= 2) |
Version | 2.1 |
Package repository | View on CRAN |
Installation |
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