is.weight<- {crunch}

Dataset weights

Description

weight lets you view and set your user's currently applied weight on the server. weightVariables lets you view all of the variables that have been designated as valid to use as weights.

Usage

is.weight(x) <- value

weight(x)

weight(x) <- value

## S4 replacement method for signature 'Analysis,CrunchVariable'
weight(x) <- value

## S4 replacement method for signature 'Analysis,'NULL''
weight(x) <- value

## S4 method for signature 'CrunchDataset'
weight(x)

## S4 replacement method for signature 'CrunchDataset,ANY'
weight(x) <- value

is.weight(x)

## S4 replacement method for signature 'NumericVariable'
is.weight(x) <- value

Arguments

x

a Dataset

value

a Variable, VariableDefinition, or NULL. If a VariableDefinition is passed, the variable will first be created and then set as the datasets weight. Set to NULL to remove existing weights from the dataset.

Value

For the weight getter, a Variable if there is a weight, else NULL. For the setter, x, modified accordingly. weightVariables returns the aliases (or names, according to options(crunch.namekey.dataset)), of the variables designated as weights.

See Also

weightVariables() makeWeight()