Random forest missing data algorithms

F Tang, H Ishwaran - Statistical Analysis and Data Mining: The …, 2017 - Wiley Online Library
Random forest (RF) missing data algorithms are an attractive approach for imputing missing
data. They have the desirable properties of being able to handle mixed types of missing …

Accounting for the multiple natures of missing values in label-free quantitative proteomics data sets to compare imputation strategies

C Lazar, L Gatto, M Ferro, C Bruley… - Journal of proteome …, 2016 - ACS Publications
Missing values are a genuine issue in label-free quantitative proteomics. Recent works have
surveyed the different statistical methods to conduct imputation and have compared them on …

Development of an epigenetic clock resistant to changes in immune cell composition

A Tomusiak, A Floro, R Tiwari, R Riley… - Communications …, 2024 - nature.com
Epigenetic clocks are age predictors that use machine-learning models trained on DNA CpG
methylation values to predict chronological or biological age. Increases in predicted …

Epigenetic aging signatures in mice livers are slowed by dwarfism, calorie restriction and rapamycin treatment

T Wang, B Tsui, JF Kreisberg, NA Robertson, AM Gross… - Genome biology, 2017 - Springer
Background Global but predictable changes impact the DNA methylome as we age, acting
as a type of molecular clock. This clock can be hastened by conditions that decrease …

High social status males experience accelerated epigenetic aging in wild baboons

JA Anderson, RA Johnston, AJ Lea, FA Campos… - Elife, 2021 - elifesciences.org
Aging, for virtually all life, is inescapable. However, within populations, biological aging rates
vary. Understanding sources of variation in this process is central to understanding the …

MissMech: An R package for testing homoscedasticity, multivariate normality, and missing completely at random (MCAR)

M Jamshidian, S Jalal, C Jansen - Journal of Statistical software, 2014 - jstatsoft.org
Researchers are often faced with analyzing data sets that are not complete. To properly
analyze such data sets requires the knowledge of the missing data mechanism. If data are …

Transcriptomic signatures across human tissues identify functional rare genetic variation

NM Ferraro, BJ Strober, J Einson, NS Abell, F Aguet… - Science, 2020 - science.org
INTRODUCTION The human genome contains tens of thousands of rare (minor allele
frequency< 1%) variants, some of which contribute to disease risk. Using 838 samples with …

Resistant starch alters gut microbiome and metabolomic profiles concurrent with amelioration of chronic kidney disease in rats

DA Kieffer, BD Piccolo, ND Vaziri… - American Journal …, 2016 - journals.physiology.org
Patients and animals with chronic kidney disease (CKD) exhibit profound alterations in the
gut environment including shifts in microbial composition, increased fecal pH, and increased …

The proteomic landscape of genome-wide genetic perturbations

CB Messner, V Demichev, J Muenzner, SK Aulakh… - Cell, 2023 - cell.com
Functional genomic strategies have become fundamental for annotating gene function and
regulatory networks. Here, we combined functional genomics with proteomics by quantifying …

Bayesian network constraint-based structure learning algorithms: Parallel and optimized implementations in the bnlearn R package

M Scutari - Journal of statistical software, 2017 - jstatsoft.org
It is well known in the literature that the problem of learning the structure of Bayesian
networks is very hard to tackle: Its computational complexity is super-exponential in the …