R: Converts data to class wmppp

as.wmppp {dbmss}

R Documentation

Converts data to class wmppp

Description

Creates a Weighted, Marked, Planar Point Pattern, i.e. an object of class "wmppp" representing a two-dimensional point pattern with weights and labels. This is a generic method.

Usage

as.wmppp(X, ...)
  ## S3 method for class 'ppp'
as.wmppp(X, ...)
  ## S3 method for class 'data.frame'
as.wmppp(X, window = NULL, unitname = NULL, ...)

Arguments

`X`	Data to be converted into a weighted, marked, planar point pattern (`wmppp.object`)
`window`	An object of calls "owin" (`owin.object`).
`unitname`	Name of unit of length. Either a single character string, or a vector of two character strings giving the singular and plural forms, respectively.
`...`	Extra arguments.

Details

This is a generic method, implemented for ppp and data.frame:

If the dataset X is an object of class "ppp" (ppp.object), the marks are converted to point weights if they are numeric or to point types if they are factors. Default weights are set to 1, default types to "All". If marks are a dataframe with column names equal to PointType and PointWeight, they are not modified. Row namles of the dataframe are preserved aqs row names of the marks, to identify points.
If the dataset X is a dataframe, see wmppp.

Value