impute.mean: Elementary Imputation Method: Simple Mean Imputation
Description
Imputes the arithmetic mean of the observed data
Usage
impute.mean(y, ry, x=NULL)
Arguments
y
Incomplete data vector of length n
ry
Vector of missing data pattern (FALSE=missing, TRUE=observed)
x
Matrix (n x p) of complete covariates.
Warning
Imputing the mean of a variable rarely produces appropriate inferences.
See Little and Rubin (1987).
References
Van Buuren, S. & Oudshoorn, C.G.M. (2000). Multivariate Imputation by Chained Equations:
MICE V1.0 User's manual. Report PG/VGZ/00.038, TNO Prevention and Health, Leiden.
Little, R.J.A. and Rubin, D.B. (1987). Statistical Analysis with Missing Data.
New York: John Wiley and Sons.