## S3 method for class 'pls':
predict( object, newdata, ... )pls function.nrow(object$loadings)-column matrix of 
  		     multinomial phrase/category counts for new documents/observations. 
		     Can be either a simple matrix or a simple_triplet_matrix.nrow(newcounts) by ncol(object$loadings) matrix of pls directions for each new observation.