syn.passive(data, func)
formula
specifying transformations on data.
It is specified as a string starting with ~
.formula
.+
, -
, *
and ^
have different meanings in formula
syntax. Use
the identity function I()
if they should be interpreted as arithmetic operators,
e.g. "~I(age^2)"
.
mice
: Multivariate Imputation by Chained Equations
in R
. Journal of Statistical Software,
45(3), 1-67.
http://www.jstatsoft.org/v45/i03/
syn