import?java.io.File;
import?java.io.FileInputStream;
import?java.io.FileNotFoundException;
import?java.util.ArrayList;
import?java.util.List;
import?java.util.Scanner;

/**
?*?Created?with?IntelliJ?IDEA.
?*?User:?tpeng
?*?Date:?6/22/12
?*?Time:?11:01?PM
?*?To?change?this?template?use?File?|?Settings?|?File?Templates.
?*/
public?class?DataSet?{

????public?static?List?readDataSet（String?file）?throws?FileNotFoundException?{
????????List?dataset?=?new?ArrayList（）;
????????Scanner?scanner?=?new?Scanner（new?File（file））;
????????while（scanner.hasNextLine（））?{
????????????String?line?=?scanner.nextLine（）;
????????????if?（line.startsWith（“#“））?{
????????????????continue;
????????????}
????????????String[]?columns?=?line.split（“\\s+“）;

????????????//?skip?first?column?and?last?column?is?the?label
????????????int?i?=?1;
????????????int[]?data?=?new?int[columns.length-2];
????????????for?（i=1;?i????????????????data[i-1]?=?Integer.parseInt（columns[i]）;
????????????}
????????????int?label?=?Integer.parseInt（columns[i]）;
????????????Instance?instance?=?new?Instance（label?data）;
????????????dataset.add（instance）;
????????}
????????return?dataset;
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-06-28?09:53??logistic-regression-master\
?????文件??????????96??2012-06-28?09:53??logistic-regression-master\README.md
?????文件????????5528??2012-06-28?09:53??logistic-regression-master\dataset.txt
?????目錄???????????0??2012-06-28?09:53??logistic-regression-master\src\
?????文件????????1216??2012-06-28?09:53??logistic-regression-master\src\DataSet.java
?????文件?????????427??2012-06-28?09:53??logistic-regression-master\src\Instance.java
?????文件????????2069??2012-06-28?09:53??logistic-regression-master\src\Logistic.java