Jitters some variables in a data matrix.
jittervar(x,jitterv=NULL,factor=1)
data matrix or data frame.
vector of numbers of variables to be jittered.
numeric. Passed on to jitter
. See the
documentation there. The higher, the more jittering.
data matrix or data frame with jittered variables.
# NOT RUN { set.seed(776655) v1 <- rnorm(20) v2 <- rnorm(20) d1 <- sample(1:5,20,replace=TRUE) d2 <- sample(1:4,20,replace=TRUE) ldata <- cbind(v1,v2,d1,d2) jv <- jittervar(ldata,jitterv=3:4) # }