basicspace (version 0.24)

predict.blackbt: Predict method of blackbt objects

Description

predict.blackbt reads an blackbt object and uses the estimates to generate a matrix of predicted values.

Usage

# S3 method for blackbt
predict(object, dims=1, ...)

Arguments

object

A blackbox output object.

dims

Number of dimensions used in prediction. Must be equal to or less than number of dimensions used in estimation.

...

Ignored.

Value

A matrix of predicted values generated from the parameters estimated from a blackbt object.

See Also

'blackbox_transpose', 'LC1980', 'LC1980_bbt'

Examples

# NOT RUN {
## Estimate blackbt object from example and call predict function
data(LC1980)
data(LC1980_bbt)
prediction <- predict.blackbt(LC1980_bbt, dims=2)

## Examine predicted vs. observed values for first 10 respondents
## First column of LC1980 are self-placements, which are excluded
LC1980[1:10,-1]
prediction[1:10,]

## Check correlation across all predicted vs. observed, excluding missing values
prediction[which(LC1980[,-1] %in% c(0,8,9))] <- NA
cor(as.numeric(prediction), as.numeric(LC1980[,-1]), use="pairwise.complete")
# }