mice.impute.mean: Imputation by the Mean
Description
Imputes the arithmetic mean of the observed dataUsage
mice.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.
...
Other named arguments.
Value
- A vector of length
nmis
with imputations.
Warning
Imputing the mean of a variable is almost never appropriate.
See Little and Rubin (1987).References
Van Buuren, S., Groothuis-Oudshoorn, K. (2009)
MICE: Multivariate Imputation by Chained Equations in R.
Journal of Statistical Software, forthcoming.
http://www.stefvanbuuren.nl/publications/MICE in R - Draft.pdf
Little, R.J.A. and Rubin, D.B. (1987). Statistical Analysis with Missing Data.
New York: John Wiley and Sons.