files - sepal.js

// load each line of the training data into a new index of an array
var trainingFile = fs.readFileSync("data.csv").toString().split("\n")

// iterate over each line of the training data, adding it to a new array for training later
for (var i = 0; i < trainingFile.length; i++) {
    var entry = trainingFile[i]

    var values = entry.split(",")
    var points = [parseFloat(values[0]), parseFloat(values[1]), parseFloat(values[2]), parseFloat(values[3])]
   
    if (i <= 49) {
        trainingData.push({input: points, output: {setosa: 1}})
    }
    else if (i > 49 && i <= 99) {
        trainingData.push({input: points, output: {versicolor: 1}})
    }
    else if (i > 99 && i <= 149) {
        trainingData.push({input: points, output: {virginica: 1}})
    }
}