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riskRegression (version 2020.12.08)

coxN: Extract the number of observations from a Cox model

Description

Extract the number of observations from a Cox model

Usage

coxN(object)

# S3 method for cph coxN(object)

# S3 method for coxph coxN(object)

# S3 method for phreg coxN(object)

# S3 method for CauseSpecificCox coxN(object)

# S3 method for glm coxN(object)

Arguments

object

The fitted Cox regression model object either obtained with coxph (survival package), cph (rms package), or phreg (mets package).