mgcv-style constructor for prediction of PEER terms
## S3 method for class 'peer.smooth' Predict.matrix(object, data)
object
a peer.smooth object created by {.smooth.spec}, see [mgcv]{smooth.construct}
peer.smooth
{.smooth.spec}
[mgcv]{smooth.construct}
data
see [mgcv]{smooth.construct}
design matrix for PEER terms
Jonathan Gellar