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Last observation carried forward

Source: R/OncReg.imputation.R
OR.LOCF.Rd

Applies LOCF imputation to x within each id, assuming observations are already ordered within each id.

Usage

OR.LOCF(x, id = NULL)

Arguments

x

Vector of values for LOCF imputation.

id

Optional vector of cluster identifiers. If NULL, all observations are treated as a single cluster.

Value

Vector of same length as x with LOCF applied within each id.