#!/bin/bash

RowPruner="None";
Learner="lsr";
numberOfInstances=`./instances $1`;
numberOfAttributes=`./attributes $1`;

gawk 'BEGIN {FS=OFS=","} /@relation/,/@data/ {print; next} NF> 1 {for(i=1;i<=NF;i++) $i=log($i); print $0}' $1 > trainL.arff;
gawk 'BEGIN {FS=OFS=","} /@relation/,/@data/ {print; next} NF> 1 {for(i=1;i<=NF;i++) $i=log($i); print $0}' $2 > testL.arff;

$Weka weka.classifiers.functions.LinearRegression -S 0 -R 1.0E-8 -p 0 -t trainL.arff -T testL.arff |
gawk	'NF==3 {OFS=","; 
		E = 2.718281828459045; 
		expect = $3; 
		got = $2 < 0 ? 10^(-20) : $2; 
		expect = E^expect; 
		got = E^got; 
		print Prefix,got,expect}' Prefix="$R,$stem,$Training,$Num,$ColumnPruner,$RowPruner,$numberOfAttributes,$numberOfInstances,$Learner";