QuinlanAttributes function

Convert Data to Text Format

This class converts different types of data to a format required for list("Cubist")

and list("C5,0").

QuinlanAttributes(object, ...)

## S3 method for class 'numeric'
QuinlanAttributes(object, ...)

## S3 method for class 'factor'
QuinlanAttributes(object, ...)

## S3 method for class 'character'
QuinlanAttributes(object, ...)

## S3 method for class 'ordered'
QuinlanAttributes(object, ...)

## S3 method for class 'Date'
QuinlanAttributes(object, ...)

## S3 method for class 'POSIXct'
QuinlanAttributes(object, ...)

## S3 method for class 'matrix'
QuinlanAttributes(object, ...)

## S3 method for class 'data.frame'
QuinlanAttributes(object, ...)

makeDataFile(x, y, w = NULL)

makeNamesFile(x, y, w = NULL, label = "outcome", comments = TRUE)

Arguments

• object: An object to translate to the format expected by the Quinlan C code.
• x: A data frame or matrix or predictors
• y: A vector of outcomes
• w: A numeric vector of case weights or NULL
• label: A string required by the C code as the file name
• comments: A logical; should info about the call be printed in the string?

Returns

A textual representation of the data.