asListDS {dsBase}

R Documentation

asListDS a serverside aggregate function called by ds.asList

Description

Coerces an R object into a list

Usage

asListDS(x.name, newobj)

Arguments

x.name	the name of the input object to be coerced to class data.matrix. Must be specified in inverted commas. But this argument is usually specified directly by <x.name> argument of the clientside function ds.asList
newobj	is the object hard assigned '<<-' to be the output of the function written to the serverside

Details

Unlike most other class coercing functions this is an aggregate function rather than an assign function. This is because the datashield.assign function in the data repository deals specially with a created object (newobj) if it is of class list. Reconfiguring the function as an aggregate function works around this problem. This aggregate function is based on the native R function as.list and so additional information can be found in the help for as.list

Value

the object specified by the <newobj> argument (or its default name <x.name>.mat) which is written to the serverside. In addition, two validity messages are returned. The first confirms an output object has been created, the second states its class. The way that as.list coerces objects to list depends on the class of the object, but in general the class of the output object should usually be 'list'

Author(s)

Amadou Gaye, Paul Burton for DataSHIELD Development Team

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