selectMDT: Retrieve annotations from MDT objects.

In olivmrtn/MachineLearningGWAS: Machine Learning for Genome Wide Association Studies

Description

Retrieve annotations from annotations(x), phenotyope(x) and info(x) in MDT objects.

Usage

selectMDT(x, keys, columns, keytype = "annotations", na.rm = TRUE)

## S4 method for signature 'MDT'
selectMDT(x, keys, columns, keytype = "annotations",
  na.rm = TRUE)

Arguments

x	MDT object.
keys	character or data.table with SampleID and/or FeatureID key values to select records. Can only be a character when keytype is not info.
columns	The columns to be retrieved from the annotation data.table.
keytype	character specifying which annotation data.table should be used. Choose from "annotations", "phenotype" or "info".
na.rm	Should NA values be removed from results.

Value

data.table with relevant key and annotations.

olivmrtn/MachineLearningGWAS documentation built on May 24, 2019, 12:52 p.m.