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Grapher.scala
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Grapher.scala
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import scala.io.Source
import scalax.chart.api._
object HelloWorld {
def main(args: Array[String]) {
val ret = read_data_into_list("test.txt")
val positivity_func = (list: List[(Double,Double,Double,Double,Double)]) => {
list.map( x => (x._1, x._3))
}
plot_xy_graph(ret, positivity_func, "positivityIndex.png")
}
def plot_xy_graph(data: List[(Double,Double,Double,Double,Double)],
xy_convert: List[(Double,Double,Double,Double,Double)] => List[(Double,Double)],
name: String) =
{
val xy_pairs = xy_convert(data)
val chart = XYLineChart(xy_pairs)
chart.saveAsPNG("./" + name)
}
def read_data_into_list(filename: String): List[(Double,Double,Double,Double,Double)] = {
var a : List[(Double,Double,Double,Double,Double)] = List()
for (line <- Source.fromFile(filename).getLines()) {
// minutes-rate-conf-conf-conf
val split_string = line.split(" ")
val minutes = split_string(0).toDouble
val review = split_string(1).toDouble
val pos_conf = split_string(2).toDouble
val neu_conf = split_string(3).toDouble
val neg_conf = split_string(4).toDouble
a = a:+(minutes, review, pos_conf, neu_conf, neg_conf)
}
return a
}
def print_double_tuple_arr(list: List[(Double, Double, Double, Double, Double)]) = {
list.foreach( a => { println("(" + a._1 + ", " + a._2 + ")") } )
}
}