nullMatrix {edge} | R Documentation |
These generic functions access and set the null matrix for
deSet
object.
nullMatrix(object) nullMatrix(object) <- value ## S4 method for signature 'deSet' nullMatrix(object) ## S4 replacement method for signature 'deSet' nullMatrix(object) <- value
object |
|
value |
|
nullMatrix
returns the value of the null model matrix.
John Storey, Andrew Bass
deSet
, fullModel
and
fullModel
# import data library(splines) data(kidney) age <- kidney$age sex <- kidney$sex kidexpr <- kidney$kidexpr cov <- data.frame(sex = sex, age = age) # create models null_model <- ~sex full_model <- ~sex + ns(age, df = 4) # create deSet object from data de_obj <- build_models(data = kidexpr, cov = cov, null.model = null_model, full.model = full_model) # extract the null model as a matrix mat_null <- nullMatrix(de_obj)