The np Package - NexTag Supports Open Source Initiatives

npplregbw 77and dependent data), and a bandwidth specification, which can be a rbandwidth object, or abandwidth vector, bandwidth type and kernel type.Usagenpplregbw(...)## S3 method for class 'formula':npplregbw(formula, data, subset, na.action, ...)## S3 method for class 'NULL':npplregbw(xdat = stop("invoked without data `xdat'"),ydat = stop("invoked without data `ydat'"),zdat = stop("invoked without data `zdat'"),bws,...)## Default S3 method:npplregbw(xdat = stop("invoked without data `xdat'"),ydat = stop("invoked without data `ydat'"),zdat = stop("invoked without data `zdat'"),bws,...,bandwidth.compute = TRUE,nmulti,remin,itmax,ftol,tol,small)## S3 method for class 'plbandwidth':npplregbw(xdat = stop("invoked without data `xdat'"),ydat = stop("invoked without data `ydat'"),zdat = stop("invoked without data `zdat'"),bws,nmulti,...)Argumentsformuladataa symbolic description of variables on which bandwidth selection is to be performed.The details of constructing a formula are described below.an optional data frame, list or environment (or object coercible to a data frameby as.data.frame) containing the variables in the model. If not found indata, the variables are taken from environment(formula), typically theenvironment from which the function is called.