nullModel {edge} | R Documentation |
These generic functions access and set the null model for
deSet
object.
nullModel(object) nullModel(object) <- value ## S4 method for signature 'deSet' nullModel(object) ## S4 replacement method for signature 'deSet' nullModel(object) <- value
object |
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value |
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nullModel
returns the formula for the null model.
John Storey, Andrew Bass
# 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 equation mod_null <- nullModel(de_obj) # change null model in experiment but must update full model nullModel(de_obj) <- ~1 fullModel(de_obj) <- ~1 + ns(age, df=4)