example to illustrate issue with RecordReaderDataSetIterator

IrisShape.kt

package org.deeplearning4j.datasets.datavec

import org.datavec.api.records.reader.impl.csv.CSVRecordReader
import org.datavec.api.split.FileSplit
import org.nd4j.linalg.io.ClassPathResource

fun main(args: Array<String>) {

    val recordReader = CSVRecordReader(0, ',').apply{
//                initialize(FileSplit(File("/Users/brandl/projects/deep_learning/dl4j/dl4j-test-resources/target/classes/iris.txt")))
        initialize(FileSplit(ClassPathResource("iris.txt").tempFileFromArchive))
    }

    val iter = RecordReaderDataSetIterator.Builder(recordReader, 15)
        .classification(4, 3).build()

    val next = iter.next()

    println(next.features.shapeInfoToString())

    println(next.labels.slice(0).toFloatVector().joinToString(","))
    println(next.features.slice(0).toFloatVector().joinToString(","))

    println("first record is ${recordReader.apply{reset()}.next()}")
}